冷拔精密无缝钢管_百度百科 .rc-dialog{margin:10px;position:relative;width:auto}.rc-dialog-wrap{-webkit-overflow-scrolling:touch;bottom:0;left:0;outline:0;overflow:auto;position:fixed;right:0;top:0;z-index:1050}.rc-dialog-title{font-size:14px;font-weight:700;line-height:21px;margin:0}.rc-dialog-content{background-clip:padding-box;background-color:#fff;border:none;border-radius:6px 6px;position:relative}.rc-dialog-close{background:transparent;border:0;color:#000;cursor:pointer;filter:alpha(opacity=20);font-size:21px;font-weight:700;line-height:1;opacity:.2;position:absolute;right:20px;-webkit-text-decoration:none;text-decoration:none;text-shadow:0 1px 0 #fff;top:12px}.rc-dialog-close-x:after{content:"×"}.rc-dialog-close:hover{filter:alpha(opacity=100);opacity:1;-webkit-text-decoration:none;text-decoration:none}.rc-dialog-header{background:#fff;border-bottom:1px solid #e9e9e9;border-radius:5px 5px 0 0;color:#666;padding:13px 20px 14px}.rc-dialog-body{padding:20px}.rc-dialog-footer{border-radius:0 0 5px 5px;border-top:1px solid #e9e9e9;padding:10px 20px;text-align:right}.rc-dialog-zoom-appear,.rc-dialog-zoom-enter{animation-duration:.3s;animation-fill-mode:both;animation-play-state:paused;animation-timing-function:cubic-bezier(.08,.82,.17,1);opacity:0}.rc-dialog-zoom-leave{animation-duration:.3s;animation-fill-mode:both;animation-play-state:paused;animation-timing-function:cubic-bezier(.6,.04,.98,.34)}.rc-dialog-zoom-appear.rc-dialog-zoom-appear-active,.rc-dialog-zoom-enter.rc-dialog-zoom-enter-active{animation-name:rcDialogZoomIn;animation-play-state:running}.rc-dialog-zoom-leave.rc-dialog-zoom-leave-active{animation-name:rcDialogZoomOut;animation-play-state:running}@keyframes rcDialogZoomIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes rcDialogZoomOut{0%{transform:scale(1)}to{opacity:0;transform:scale(0)}}@media (min-width:768px){.rc-dialog{margin:30px auto;width:600px}}.rc-dialog-mask{background-color:#373737;background-color:rgba(55,55,55,.6);bottom:0;filter:alpha(opacity=50);height:100%;left:0;position:fixed;right:0;top:0;z-index:1050}.rc-dialog-mask-hidden{display:none}.rc-dialog-fade-appear,.rc-dialog-fade-enter{opacity:0}.rc-dialog-fade-appear,.rc-dialog-fade-enter,.rc-dialog-fade-leave{animation-duration:.3s;animation-fill-mode:both;animation-play-state:paused;animation-timing-function:cubic-bezier(.55,0,.55,.2)}.rc-dialog-fade-appear.rc-dialog-fade-appear-active,.rc-dialog-fade-enter.rc-dialog-fade-enter-active{animation-name:rcDialogFadeIn;animation-play-state:running}.rc-dialog-fade-leave.rc-dialog-fade-leave-active{animation-name:rcDialogFadeOut;animation-play-state:running}@keyframes rcDialogFadeIn{0%{opacity:0}to{opacity:1}}@keyframes rcDialogFadeOut{0%{opacity:1}to{opacity:0}}.bk-dialog{left:50%;margin:0!important;position:absolute!important;top:50%;transform:translate(-50%,-50%)}.bk-dialog .rc-dialog-content{background:#fff;border:1px solid #bbb;border-radius:0}.bk-dialog .rc-dialog-header{background:#fafbfc;border-bottom:1px solid #e5e5e5;padding:10px 20px 9px}.bk-dialog .rc-dialog-title{color:#666;font-size:16px;font-weight:400}.bk-dialog .rc-dialog-close{color:#cbcbcb;font-size:18px;opacity:1}.bk-dialog .rc-dialog-body{padding:26px 50px 35px;text-align:center}.bk-dialog .dialog-title{color:#333;font-size:20px;font-weight:700;line-height:26px;margin-bottom:20px}.bk-dialog .dialog-content{color:#ccc;font-size:16px;line-height:26px}.bk-dialog .dialog-content .alert-content{align-items:center;display:flex;justify-content:center;padding-top:44px;width:378px}.bk-dialog .dialog-content .alert-content.no-icon .msg{max-width:378px}.bk-dialog .dialog-content .alert-content.no-sub-msg .msg h1{line-height:58px}.bk-dialog .dialog-content .alert-content .msg{flex:none;max-width:302px;text-align:center}.bk-dialog .dialog-content .alert-content .msg h1{color:#333;font-size:20px;line-height:32px;text-align:left}.bk-dialog .dialog-content .alert-content .msg pre{color:#888;font-family:arial,tahoma,Microsoft Yahei,"\5b8b\4f53",sans-serif,font-extend;font-size:14px;line-height:22px;text-align:left}.bk-dialog .dialog-content .alert-content .msg .ext-info{color:#888;font-size:12px;margin-top:14px;text-align:left}.bk-dialog .dialog-content .alert-content .msg .ext-info i{color:#52a3f5}.bk-dialog .dialog-content .alert-content .alert-icon{align-items:center;border:2px solid #b4d6f9;border-radius:56px;color:#52a3f5;display:flex;flex:none;height:56px;justify-content:center;margin-right:12px;width:56px}.bk-dialog .dialog-content .alert-content .alert-icon.error-icon{border-color:#fbddd6;color:#f18167}.bk-dialog .dialog-content .alert-content .alert-icon .icon{font-size:30px;line-height:0}.bk-dialog .btn-list{margin-top:35px}.bk-dialog .btn-list .btn-item{background:#52a3f5;border:1px solid #52a3f5;border-radius:3px;box-shadow:0 1px 0 rgba(0,0,0,.05);color:#fff;cursor:pointer;display:inline-block;font-size:16px;line-height:1;margin-right:10px;padding:8px 24px;text-align:center}.bk-dialog .btn-list .btn-item:last-child{margin-right:0}.popup-content{background:#fff;border:1px solid #d7d7d7;margin:auto;padding:5px;width:50%}[role=tooltip].popup-content{border-radius:5px;box-shadow:0 0 3px rgba(0,0,0,.16);width:200px}.popup-overlay{background:rgba(0,0,0,.5)}[data-popup=tooltip].popup-overlay{background:transparent}.popup-arrow{stroke-width:2px;stroke:#d7d7d7;stroke-dasharray:30px;stroke-dashoffset:-54px;bottom:0;color:#fff;filter:drop-shadow(0 -3px 3px rgba(0,0,0,.16));left:0;right:0;top:0}.bubble-box{background:#fff;border:1px solid #dfdfdf;border-radius:3px;box-shadow:0 4px 6px -4px rgba(0,0,0,.2);z-index:2000}.bubble-box,.bubble-box .bubble-arrow-place{position:absolute}.bubble-box .bubble-arrow{background:#fff;border:1px solid #dfdfdf;box-shadow:0 4px 6px -4px rgba(0,0,0,.2);height:10px;overflow:hidden;position:absolute;transform:rotate(45deg);width:10px;z-index:1}.bubble-box.top-left{bottom:100%;left:0;margin-bottom:6px}.bubble-box.top-left .bubble-arrow-place{bottom:-8px;height:8px;left:0;width:100%}.bubble-box.top-left .bubble-arrow{left:3px;margin-top:-6px;top:100%}.bubble-box.top-right{bottom:100%;margin-bottom:6px;right:0}.bubble-box.top-right .bubble-arrow-place{bottom:-8px;height:8px;left:0;width:100%}.bubble-box.top-right .bubble-arrow{margin-top:-6px;right:3px;top:100%}.bubble-box.top-center{bottom:100%;left:50%;margin-bottom:6px;transform:translateX(-50%)}.bubble-box.top-center .bubble-arrow-place{bottom:-8px;height:8px;left:0;width:100%}.bubble-box.top-center .bubble-arrow{left:50%;margin-left:-6px;margin-top:-6px;top:100%}.bubble-box.bottom-left{left:0;margin-top:6px;top:100%}.bubble-box.bottom-left .bubble-arrow-place{height:8px;left:0;top:-8px;width:100%}.bubble-box.bottom-left .bubble-arrow{bottom:100%;left:3px;margin-bottom:-6px}.bubble-box.bottom-right{margin-top:6px;right:0;top:100%}.bubble-box.bottom-right .bubble-arrow-place{height:8px;left:0;top:-8px;width:100%}.bubble-box.bottom-right .bubble-arrow{bottom:100%;margin-bottom:-6px;right:3px}.bubble-box.bottom-center{left:50%;margin-top:6px;top:100%;transform:translateX(-50%)}.bubble-box.bottom-center .bubble-arrow-place{height:8px;left:0;top:-8px;width:100%}.bubble-box.bottom-center .bubble-arrow{bottom:100%;left:50%;margin-bottom:-6px;margin-left:-6px}.bubble-box.left-top{margin-right:8px;right:100%;top:0}.bubble-box.left-top .bubble-arrow-place{height:100%;right:-8px;top:0;width:8px}.bubble-box.left-top .bubble-arrow{left:100%;margin-left:-6px;top:3px}.bubble-box.left-bottom{bottom:0;margin-right:8px;right:100%}.bubble-box.left-bottom .bubble-arrow-place{height:100%;right:-8px;top:0;width:8px}.bubble-box.left-bottom .bubble-arrow{bottom:3px;left:100%;margin-left:-6px}.bubble-box.left-center{margin-right:8px;right:100%;top:50%;transform:translateY(-50%)}.bubble-box.left-center .bubble-arrow-place{height:100%;right:-8px;top:0;width:8px}.bubble-box.left-center .bubble-arrow{left:100%;margin-left:-6px;margin-top:-6px;top:50%}.bubble-box.right-top{left:100%;margin-left:8px;top:0}.bubble-box.right-top .bubble-arrow-place{height:100%;left:-8px;top:0;width:8px}.bubble-box.right-top .bubble-arrow{margin-right:-6px;right:100%;top:3px}.bubble-box.right-bottom{bottom:0;left:100%;margin-left:8px}.bubble-box.right-bottom .bubble-arrow-place{height:100%;left:-8px;top:0;width:8px}.bubble-box.right-bottom .bubble-arrow{bottom:3px;margin-right:-6px;right:100%}.bubble-box.right-center{left:100%;margin-left:8px;top:50%;transform:translateY(-50%)}.bubble-box.right-center .bubble-arrow-place{height:100%;left:-8px;top:0;width:8px}.bubble-box.right-center .bubble-arrow{margin-right:-6px;margin-top:-6px;right:100%;top:50%}.bubble-box .bubble-content{background:#fff;border-radius:3px;overflow:hidden;position:relative;z-index:2}.user-bar{color:#333;display:flex;font-size:13px}.user-bar.dark-theme,.user-bar.dark-theme .user-bar-item .menu-item a,.user-bar.dark-theme .user-bar-item>a{color:#fff}.user-bar .user-bar-item{flex:none;padding:0 11px;position:relative}.user-bar .user-bar-item>a{color:#333;cursor:pointer;-webkit-text-decoration:none;text-decoration:none}.user-bar .user-bar-item>a:hover{-webkit-text-decoration:underline;text-decoration:underline}.user-bar .user-bar-item>a svg{fill:#c1c1c1;font-size:14px;margin:0 5px 0 3px;vertical-align:-2px}.user-bar .user-bar-item.message{margin-left:11px;margin-right:11px}.user-bar .user-bar-item .menu-item{font-size:12px;white-space:nowrap}.user-bar .user-bar-item .menu-item a{color:#333;cursor:pointer;display:block;height:24px;line-height:24px;padding:0 11px}.user-bar .user-bar-item .menu-item a:hover{background:#38f;color:#fff}.user-bar .user-bar-item .menu-item a:hover .msg-num{color:#fff}.user-bar .user-bar-item .menu-item .msg-num{color:#338de6;font-weight:700;margin-left:3px}.user-bar .user-bar-item .lemma-msg-bubble{background:#ffffda;border-radius:3px;font-size:12px;padding:10px 5px;position:relative;width:260px}.user-bar .user-bar-item .lemma-msg-bubble .lemma-msg-item a{color:#2b66b4;height:24px;line-height:24px;outline:0;padding:0 10px;-webkit-text-decoration:none;text-decoration:none}.user-bar .user-bar-item .lemma-msg-bubble .cancel-alarm{margin-top:10px}.user-bar .user-bar-item .lemma-msg-bubble .close-icon{color:#b0b0b0;cursor:pointer;font-size:12px;position:absolute;right:6px;top:6px}.user-bar.user-login .user-bar-item:last-child{margin-right:9px}.user-bar .triangle-down{border:4px solid transparent;border-top-color:#8b8c8c;position:absolute;right:0;top:7px}.clearfix{*zoom:1}.clearfix:after,.clearfix:before{content:" ";display:table}.clearfix:after{clear:both}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.z-index-content{z-index:1}.z-index-fixed-content{z-index:100}.z-index-modal-mask{z-index:1000}.z-index-modal-content{z-index:1100}.z-index-popup{z-index:2000}.z-index-toast{z-index:3000}.gray{filter:grayscale(100%);-moz-filter:grayscale(100%);-ms-filter:grayscale(100%);-o-filter:grayscale(100%);filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);-webkit-filter:grayscale(1)}.lemmaSearchBarWrapper{margin:0 auto;position:relative;width:1139px}.lemmaSearchBar{box-sizing:border-box;height:104px;margin:auto;padding-top:25px;width:808px}@media screen and (min-width:1441px){.lemmaSearchBar{width:903px}}.fixedWrapper{background-color:#fff;border-bottom:1px solid #ebebeb;box-shadow:0 0 5px #888;height:66px;left:0;margin:auto;min-width:1140px;opacity:0;position:fixed;top:0;transition:opacity .3s;width:100%;z-index:100}.fixedWrapper,.fixedWrapper *{box-sizing:border-box}.fixedWrapper .fixedBg{height:66px;margin:auto;padding-top:12px;width:1140px}.fixedWrapper.fadeIn{opacity:1}.fixedWrapper.fadeOut{opacity:0}.fixedWrapper.show{z-index:100}.fixedWrapper.hide{z-index:-10}.searchBar{height:47px;margin:auto}.searchBar,.searchBar *{box-sizing:border-box}.searchBar .logoWrapper{display:inline-block;float:left;height:100%;width:154px}.searchBar .logoWrapper .logo{cursor:pointer;height:44px}.searchBar .rightWrapper{display:inline-block;float:left;height:100%;padding-top:7px;position:relative}.searchBar .rightWrapper .inputWrapper{display:inline-block;float:left;height:40px;position:relative}.searchBar .rightWrapper .inputWrapper .placeholder{color:#999;font-size:14px;font-weight:400;left:0;opacity:0;overflow:hidden;padding-left:10px;pointer-events:none;position:absolute;text-overflow:ellipsis;top:50%;transform:translateY(-50%);transition:.5s ease-out;transition-property:opacity;white-space:nowrap;width:calc(100% - 10px);z-index:1000}.searchBar .rightWrapper .inputWrapper .placeholder.showIn{opacity:1;transition:.5s ease-in}.searchBar .rightWrapper .inputWrapper .searchInput{border:1px solid #ccc;border-right:0;display:inline-block;font-size:16px;height:40px;line-height:28px;padding:6px 36px 4px 8px;-webkit-user-select:text;width:440px}.searchBar .rightWrapper .inputWrapper .searchInput::-webkit-input-placeholder{animation:zoomIn 1s ease-in-out;color:#999;font-size:14px;font-weight:400;opacity:var(--placeholder-color);overflow:hidden;text-overflow:ellipsis;-webkit-transition-property:opacity;transition-property:opacity;-webkit-transition:2s ease-out;transition:2s ease-out;white-space:nowrap}.searchBar .rightWrapper .inputWrapper .searchInput:hover{border-color:#999}.searchBar .rightWrapper .inputWrapper .searchInput:focus{border-color:#4791ff}@media screen and (min-width:1441px){.searchBar .rightWrapper .inputWrapper .searchInput{width:535px}}.searchBar .rightWrapper .inputWrapper .closeIcon{color:#9195a3;cursor:pointer;display:grid;font-size:16px;position:absolute;right:10px;top:50%;transform:translateY(-50%)}.searchBar .rightWrapper .resultWrapper{background:#fff;box-shadow:none;box-sizing:content-box;left:0;position:absolute;top:39px;width:100%;z-index:100}.searchBar .rightWrapper .lemmaBtn{-webkit-appearance:none;background:#38f;border:1px solid;border-color:#38f #38f #2d78f4;border-radius:0;color:#fff;cursor:pointer;display:inline-block;float:left;font-family:arial;font-size:16px;height:40px;letter-spacing:1px;outline:medium;width:104px}.searchBar .rightWrapper .lemmaBtn:hover{background:#317ef3;border-color:#317ef3}.searchBar .rightWrapper .siteBtn{-webkit-appearance:none;background-color:#fff;border:1px solid #2e82ff;border-radius:0;color:#38f;cursor:pointer;display:inline-block;float:left;font-family:arial;font-size:16px;height:40px;letter-spacing:1px;margin-left:4px;outline:medium;width:104px}.searchBar .rightWrapper .helpBtn{color:#333;display:inline-block;float:right;font-size:13px;margin-left:14px;margin-top:17px;position:absolute;-webkit-text-decoration:underline;text-decoration:underline;width:26px}.searchBar.top-search{height:38px}.searchBar.top-search .logoWrapper{margin-right:10px;width:100px}.searchBar.top-search .logoWrapper .logo{height:33px}.searchBar.top-search .rightWrapper{padding-top:4px}.searchBar.top-search .rightWrapper .inputWrapper{height:34px}.searchBar.top-search .rightWrapper .inputWrapper .searchInput{font-size:16px;height:34px;line-height:22px;padding:6px 36px 4px 8px;width:400px}.searchBar.top-search .rightWrapper .inputWrapper .resultWrapper{background:#fff;box-shadow:none;position:absolute;top:33px;width:100%;z-index:100}.searchBar.top-search .rightWrapper .lemmaBtn{font-size:14px;height:34px;width:100px}.searchBar.top-search .rightWrapper .helpBtn,.searchBar.top-search .rightWrapper .siteBtn{display:none}.searchBar .splitLine{background-color:#f5f5f5;height:1px;margin:13px 16px 16px;padding:0 8px}.searchBar .hotBox{border:1px solid #ccc;border-top:none;cursor:default;font-size:14px;font-weight:400;line-height:22px;padding:0 15px 16px}.searchBar .hotBox .hotList{display:flex}.searchBar .hotBox .hotList>div{width:calc(50% - 10px)}.searchBar .hotBox .hotList .hotLeftList{margin:7px 10px 0 0}.searchBar .hotBox .hotList .hotRightList{margin-top:7px}.searchBar .hotBox .hotList .hotItem{border:1px solid transparent;border-radius:6px;cursor:pointer;display:flex;margin-top:5px;overflow:hidden;padding:4px 7px}.searchBar .hotBox .hotList .hotItem:hover{border-color:#e0e0e0}.searchBar .hotBox .hotList .hotItem:hover .hotDesc,.searchBar .hotBox .hotList .hotItem:hover .hotTitle{color:#38e!important}.searchBar .hotBox .hotList .hotItem .hotIdx,.searchBar .hotBox .hotList .hotItem img{background:#f5f5f6;border-radius:4px;color:#5b5d66;flex:none;font-size:11px;font-weight:600;line-height:16px;margin-right:4px;position:relative;text-align:center;top:1px}.searchBar .hotBox .hotList .hotItem .hotIdx{height:16px;width:16px}.searchBar .hotBox .hotList .hotItem .hotContent{line-height:1;overflow:hidden}.searchBar .hotBox .hotList .hotItem .hotContent .hotTitle{color:#222;font-size:14px;font-weight:500;line-height:20px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;word-break:keep-all}.searchBar .hotBox .hotList .hotItem .hotContent .hotDesc{color:#666;font-size:12px;line-height:1.5;margin-top:1.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;word-break:keep-all}.searchBar .historyBox{border:1px solid #ccc;cursor:default;font-size:14px;font-weight:400;line-height:22px;padding:16px 15px 24px}.searchBar .historyBox .historyTitle img{display:inline-block}.searchBar .historyBox .historyTitle .delAllBtn{color:#9195a3;cursor:pointer;float:right;font-size:12px;font-weight:400;line-height:1}.searchBar .historyBox .historyList{cursor:default;font-size:14px;font-weight:400;line-height:0;margin-top:2px}.searchBar .historyBox .historyList .historyItem{background:#f5f5f6;border:1px solid #f5f5f6;border-radius:6px;box-sizing:border-box;cursor:pointer;display:inline-block;line-height:20px;margin-right:10px;margin-top:10px;max-width:calc(50% - 10px);padding:4px 7px;position:relative}.searchBar .historyBox .historyList .historyItem.active{background:0 0;border-color:#e0e0e0;color:#38f}.searchBar .historyBox .historyList .historyItem .historyContent{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;word-break:keep-all}.searchBar .historyBox .historyList .historyItem .delItemBtn{background:#ccc;border-radius:50%;box-sizing:content-box;font-size:12px;font-weight:bolder;height:12px;line-height:14px;padding:1px 0;position:absolute;right:-6px;text-align:center;top:-6px;width:14px}.searchBar .historyBox .historyList .historyItem .delItemBtn svg{color:#fff;transform:scale(.66667)}.searchBar .sugWrapper{border:1px solid #ccc}.searchBar .resultBox{height:auto;margin:8px 0;padding:0}.searchBar .resultBox .resultItem{align-items:center;color:#222;cursor:pointer;display:flex;overflow:hidden;padding:8px 16px}.searchBar .resultBox .resultItem.active{background:#f9f9f9;color:#38f}.searchBar .resultBox .resultItem .resultPic{flex:none;margin-right:8px}.searchBar .resultBox .resultItem .resultPic img{border:1px solid #f5f5f5;border-radius:6px}.searchBar .resultBox .resultItem .resultContent{font-size:14px;line-height:20px;overflow:hidden}.searchBar .resultBox .resultItem .resultContent .resultDesc,.searchBar .resultBox .resultItem .resultContent .resultTitle{margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.searchBar .resultBox .resultItem .resultContent .resultDesc{line-height:1.5}.searchBar .resultBox .resultFooter{color:#999;cursor:pointer;font-size:12px;line-height:1.5;margin:5px 16px}.searchBar .resultBox .resultFooter span{color:#38f}.searchBar .resultBox .resultFooter svg{vertical-align:-1px}.searchBar .sugListWrapper{color:#222;line-height:30px;padding:0 0 16px}.searchBar .sugListWrapper .sugList{list-style:none}.searchBar .sugListWrapper .sugList svg{color:#9195a3;font-size:18px;margin-right:2px;vertical-align:6px}.searchBar .sugListWrapper .sugList li:first-child{color:#222;cursor:default;font-size:14px;font-weight:500;line-height:1;margin:16px 16px 6px}.searchBar .sugListWrapper .sugList li:first-child svg{vertical-align:-4px}.searchBar .sugListWrapper .sugList li:not(:first-child){color:#222;cursor:pointer;font-size:14px;height:30px;line-height:30px;list-style:none;padding:0 16px}.searchBar .sugListWrapper .sugList li .sugListItem{word-wrap:normal;display:inline-block;max-width:80%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.searchBar .sugListWrapper .sugList li.active{background:#f9f9f9;color:#38f}.searchBar .sugListWrapper .sugFooter{background-color:#fafafa;color:#666;font-size:12px;font-weight:400;height:26px;line-height:26px;padding:0 10px;text-align:right}.searchBar .sugListWrapper .sugFooter .sugFooterClose{cursor:pointer;display:inline;-webkit-text-decoration:underline;text-decoration:underline}.index-module_topbar__aBAV7{border-bottom:1px solid #ebebeb;display:flex;height:32px;justify-content:flex-end;position:relative;z-index:6}.index-module_topbar__aBAV7 .index-module_websiteList__WqwA2{border-bottom:1px solid #f1f1f1}.index-module_topbar__aBAV7 .index-module_separator__gx7UX{border-right:1px solid #ebebeb;height:12px;margin:10px 13px 10px 25px}.index-module_topbar__aBAV7 .index-module_userBarBox__nGfXC{margin-top:6px}.container{font-size:0;height:32px;line-height:32px}.container .tabItem{color:#333;display:inline-block;font-size:13px;font-weight:700;outline:0;text-align:center;-webkit-text-decoration:underline;text-decoration:underline;width:54px}.container .baike{color:#666;-webkit-text-decoration:none;text-decoration:none}.index-module_navBarWrapper__X0DND{background:#459df5;height:45px;overflow:hidden;position:relative;z-index:5}.index-module_navBarWrapper__X0DND a{-webkit-text-decoration:none;text-decoration:none}.index-module_navBarWrapper__X0DND.index-module_hover__Gsl-V{overflow:visible}.index-module_navBarWrapper__X0DND.index-module_hover__Gsl-V .index-module_navBarBg__jLfYB{background:rgba(36,97,158,.95)}.index-module_navBarWrapper__X0DND.index-module_hover__Gsl-V dd{opacity:1}.index-module_navBarWrapper__X0DND .index-module_navBar__fLItn{background:#459df5;height:45px;min-width:900px;position:relative;z-index:2}.index-module_navBarWrapper__X0DND .index-module_navBarBg__jLfYB{height:276px;left:0;position:absolute;top:0;transition:.3s;width:100%;z-index:1}.index-module_navBarWrapper__X0DND .index-module_navBarList__iL2jR{background:#459df5;border-bottom:1px solid #3b92e9;border-top:1px solid #5895d5;display:flex;height:43px;margin:0 auto;position:relative;width:1140px}.index-module_navBarWrapper__X0DND dl{position:relative}.index-module_navBarWrapper__X0DND dl.index-module_cooperation__ZISm7,.index-module_navBarWrapper__X0DND dl.index-module_guidance__XWoyq,.index-module_navBarWrapper__X0DND dl.index-module_second-know__o9jR2,.index-module_navBarWrapper__X0DND dl.index-module_special__j8K7K,.index-module_navBarWrapper__X0DND dl.index-module_team__Heqwh{width:126px}.index-module_navBarWrapper__X0DND dl.index-module_cooperation__ZISm7 dt,.index-module_navBarWrapper__X0DND dl.index-module_guidance__XWoyq dt,.index-module_navBarWrapper__X0DND dl.index-module_second-know__o9jR2 dt,.index-module_navBarWrapper__X0DND dl.index-module_special__j8K7K dt,.index-module_navBarWrapper__X0DND dl.index-module_team__Heqwh dt{width:124px}.index-module_navBarWrapper__X0DND dl.index-module_cooperation__ZISm7 dd,.index-module_navBarWrapper__X0DND dl.index-module_guidance__XWoyq dd,.index-module_navBarWrapper__X0DND dl.index-module_second-know__o9jR2 dd,.index-module_navBarWrapper__X0DND dl.index-module_special__j8K7K dd,.index-module_navBarWrapper__X0DND dl.index-module_team__Heqwh dd{width:125px}.index-module_navBarWrapper__X0DND dl.index-module_index__Kc2gf,.index-module_navBarWrapper__X0DND dl.index-module_user__Kc93c{width:94px}.index-module_navBarWrapper__X0DND dl.index-module_index__Kc2gf dt,.index-module_navBarWrapper__X0DND dl.index-module_user__Kc93c dt{width:92px}.index-module_navBarWrapper__X0DND dl.index-module_index__Kc2gf dd,.index-module_navBarWrapper__X0DND dl.index-module_user__Kc93c dd{width:93px}.index-module_navBarWrapper__X0DND dl.index-module_knowledge__9fisv dd,.index-module_navBarWrapper__X0DND dl.index-module_knowledge__9fisv dt{width:140px}.index-module_navBarWrapper__X0DND dl:hover dt{background:#338ce6}.index-module_navBarWrapper__X0DND dl:hover dd{background:#19508b;border-color:#184f8b}.index-module_navBarWrapper__X0DND dl:hover+dl dd{border-color:transparent!important;border-color:#184f8b}.index-module_navBarWrapper__X0DND dt{border-left:1px solid transparent!important;border-right:1px solid transparent!important;border:1px solid #59a1e9;border-bottom:0;border-top:0;color:#f5f5f5;cursor:pointer;font-size:16px;height:44px;line-height:44px;text-align:center;transition:background .3s}.index-module_navBarWrapper__X0DND dt a{color:#f5f5f5}.index-module_navBarWrapper__X0DND dt a.index-module_selected__6G8lk{border-bottom:2px solid #fff}.index-module_navBarWrapper__X0DND dd{border-left:1px solid #3a6fa2;height:210px;opacity:0;padding:11px 0 10px;transition:.3s}.index-module_navBarWrapper__X0DND dd .index-module_navBarItem__m7wZ4{font-size:14px;height:30px;line-height:30px;text-align:center}.index-module_navBarWrapper__X0DND dd .index-module_navBarItem__m7wZ4 a{color:#a2c9f0;padding-bottom:3px}.index-module_navBarWrapper__X0DND dd .index-module_navBarItem__m7wZ4 a:hover{border-bottom:2px solid #fff;color:#fff}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ{align-items:center;display:flex;font-size:16px;height:24px;line-height:24px;margin:10px 0;position:absolute;right:0}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_appDownload__Bx1Uj,.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_usercenter__brbF2{font-size:16px;height:16px;line-height:1;padding:0 15px}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_appDownload__Bx1Uj a,.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_usercenter__brbF2 a{color:#fff}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_appDownload__Bx1Uj path,.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_appDownload__Bx1Uj svg,.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_usercenter__brbF2 path,.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_usercenter__brbF2 svg{fill:#fff}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_appDownload__Bx1Uj svg{animation:index-module_phone__w9Py1 2s;-webkit-animation:index-module_phone__w9Py1 2s infinite;font-size:18px;margin-right:3px;transform:rotate(0);transform-origin:center;vertical-align:-3px}.index-module_navBarWrapper__X0DND .index-module_rightList__RchPZ .index-module_usercenter__brbF2 svg{font-size:14px;margin-right:6px;vertical-align:-1px}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ{background:#9e1814}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ.index-module_hover__Gsl-V .index-module_navBarBg__jLfYB{background:rgba(124,25,22,.95)}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ .index-module_navBar__fLItn{background:#9e1814}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ .index-module_navBarList__iL2jR{background:#9e1814;border-bottom:1px solid #9e1814;border-top:1px solid #9e1814}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dl:hover dt{background:#8a1f1b}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dl:hover dd{background:#6d100c;border-color:#6d100c}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dl:hover+dl dd{border-color:#8a1f1b}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dt{border:none;color:#f5f5f5}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dt a{color:#f5f5f5}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dt a.index-module_selected__6G8lk{border-bottom:2px solid #fff}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dd{border-left:1px solid #8a1f1b}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dd .index-module_navBarItem__m7wZ4 a{color:#c29391}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ dd .index-module_navBarItem__m7wZ4 a:hover{border-bottom:2px solid #fff;color:#fff}.index-module_navBarWrapper__X0DND.index-module_red__45nyJ .index-module_rightList__RchPZ .index-module_usercenter__brbF2{border-left:1px solid #8a1f1b}@keyframes index-module_phone__w9Py1{0%{transform:rotate(0)}10%{transform:rotate(-15deg)}20%{transform:rotate(15deg)}30%{transform:rotate(-15deg)}40%{transform:rotate(15deg)}50%{transform:rotate(0)}to{transform:rotate(0)}}.index-module_pageHeader__jSG5w{background:#fff}.copyright{color:#333;font-size:12px;text-align:center}.copyright a{color:#338de6;-webkit-text-decoration:none;text-decoration:none}.copyright .copyright-img{border:0;display:inline-block;vertical-align:text-bottom}.copyright .recordcode{height:16px;line-height:16px;padding-top:6px;text-align:center}.copyright .recordcode .icon-police{background:url(https://bkssl.bdimg.com/static/wiki-common/widget/component/footer/img/icon-police_5f07082.png) 0 0 no-repeat;display:inline-block;height:16px;margin-right:6px;margin-top:-4px;vertical-align:middle;width:14px}.page-footer-content{display:flex;font-size:12px;justify-content:center;width:100%}.page-footer-content:after,.page-footer-content:before{content:" ";display:table}.page-footer-content:after{clear:both}.page-footer-content .block-item{box-sizing:content-box;float:left;width:210px}.page-footer-content .block-item.fresh-block{padding:0 35px 0 5px}.page-footer-content .block-item.question-block{padding:0 35px}.page-footer-content .block-item.suggestion-block{padding:0 5px 20px 35px}.page-footer-content .block-item .block-title{color:#333;font-size:20px;line-height:1.5}.page-footer-content .block-item .block-title svg{color:#aaa;margin-right:10px}.page-footer-content .block-item .block-content{padding:5px 0 0 30px;width:210px}.page-footer-content .block-item .block-content>a{color:#666;cursor:pointer;float:left;margin-bottom:5px;position:relative;-webkit-text-decoration:none;text-decoration:none;width:90px}.page-footer-content .block-item .block-content>a:hover{color:#338de6;-webkit-text-decoration:none;text-decoration:none}.page-footer-content .block-item .block-content .block-content-new-icon{height:7px;left:52px;position:absolute;top:3px}网页新闻贴吧知道网盘图片视频地图文库资讯采购百科百度首页登录注册进入词条全站搜索帮助首页
秒懂百科
特色百科
知识专题
加入百科
百科团队
权威合作
个人中心收藏查看我的收藏0有用+10冷拔精密无缝钢管播报讨论上传视频一种高精密的钢管材料同义词精密无缝钢管（精密无缝钢管）一般指冷拔精密无缝钢管冷拔精密无缝钢管是一种通过冷拔或热轧工艺制成的高精度钢管材料，具有内外壁无氧化层、耐高压、高光洁度及冷弯不变形等特点，主要类型包括精密液压无缝钢管、冷拔无缝钢管、冷轧无缝钢管等 [1]。其执行DIN2391、DIN2445、EN10305等标准，常用材质为ST35（E235）、ST45（E255）、ST52（E355）系列碳素结构钢，广泛应用于液压系统、汽车制造、军工及航空航天等领域。该钢管采用冷拔、热轧、冷轧工艺生产，其中冷拔工艺可制造直径5-200mm、壁厚2.5-12mm的管材，需经化学成分检验（碳、硅、锰等）和物理性能测试，符合GB/T8162-87规范 [2]。热处理工艺涵盖退火、正火、淬火等，通过调节温度与冷却方式优化材料性能，满足高强度、耐腐蚀等需求。中文名冷拔精密无缝钢管
外文名Cold drawn precision seamless steel pipe
别    名精密无缝钢管
钢管主要品种液压系统专用钢管
主要标准DIN2391， DIN2445
主要材质ST35（E235）
特    点冷拔成品精度高，表面质量好

目录
1分类2自定义3化学成分4产品特点5热处理工艺
分类
播报编辑精密无缝钢管，精密液压无缝钢管，冷拔精密无缝钢管，冷轧精密无缝钢管，高精密无缝钢管，精密光亮无缝钢管。(1)钢管主要品种：DIN系列高精度精密光亮无缝钢管、液压系统专用钢管、汽车制造专用钢管(2)主要标准：DIN2391， DIN2445， EN10305， DIN1629， DIN1630， ASTM A179(3)主要材质：ST35（E235） ST37.4 ST45（E255） ST52（E355）冷拔精密无缝钢管(4)主要交货状态：NBK（+N） GBK（+A） BK（+C） BKW（+LC） BKS（+SR）(5)主要特点：钢管内外壁无氧化层，承受高压无泄漏，高精度，高光洁度，冷弯不变形，扩口、压扁无裂缝。（6）主要用途：应用于液压系统配管、汽车制造配管、军工、工程机械、铁路机车、航空航天、船舶、注塑机、压铸机、机床、柴油机、石油化工、电站、锅炉设备等各行各业。
自定义
播报编辑冷拔精密钢管是一种通过冷拔或热轧处理后的一种高精密的钢管材料。由于精密钢管内外壁无氧化层、承受高压无泄漏、高精度、高光洁度、冷弯不变形、扩口、压扁无裂缝等优点，所以主要用来生产气动或液压 元件的产品，如汽缸或油缸，可以是无缝管。
化学成分
播报编辑冷拔精密钢管的化学成分有碳C、硅Si、锰Mn、硫S、磷P、Cr。
产品特点
播报编辑1.外径更小。2.精度高可做小批量生3.冷拔成品精度高，表面质量好。4.钢管横面积更复杂。5.钢管性能更优越，金属比较密。 1、生产制造方法按生产方法不同可分为热轧管、冷轧管、冷拔管、挤压管等。1.1、热轧无缝管一般在自动轧管机组上生产。实心管坯经检查并清除表面缺陷，截成所需长度，在管坯穿孔端端面上定心，然后送往加热炉加热，在穿孔机上穿孔。在穿孔同时不断旋转和前进，在轧辊和顶头的作用下，管坯内部逐渐形成空腔，称毛管。再送至自动轧管机上继续轧制。最后经均整机均整壁厚，经定径机定径，达到规格要求。利用连续式轧管机组生产热轧无缝钢管是较先进的方法。1.2、若欲获得尺寸更小和质量更好的无缝管，必须采用冷轧、冷拔或者两者联合的方法。冷轧通常在二辊式轧机上进行，钢管在变断面圆孔槽和不动的锥形顶头所组成的环形孔型中轧制。冷拔通常在0.5～100T的单链式或双链式冷拔机上进行。1.3、挤压法即将加热好的管坯放在密闭的挤压圆筒内，穿孔棒与挤压杆一起运动，使挤压件从较小的模孔中挤出。此法可生产直径较小的钢管。2、用途2.1、无缝管用途很广泛。一般用途的无缝管由普通碳素结构钢、低合金结构钢或合金结构钢轧制，产量最多，主要用作输送流体的管道或结构零件。2.2、根据用途不同分三类供应：a、按化学成分和机械性能供应；b、按机械性能供应；c、按水压试验供应。按a、b类供应的钢管，如用于承受液体压力，也要进行水压试验。2.3、专门用途的无缝管有锅炉用无缝管、地质用无缝管及石油用无缝管等多种。3、种类3.1、无缝钢管按生产方法不同可分为热轧管、冷轧管、冷拔管、挤压管等。3.2、按外形分类有圆形管、异形管之分。异形管除方形管和矩形管外，还有椭圆管、半圆管、三角形管、六角形管、凸字形管、梅花形管等。3.3、按材质的不同，分为普通碳素结构管、低合金结构管、优质碳素结构管、合金结构管、不锈管等。3.4、按专门用途分，有锅炉管、地质管、石油管等。4、规格及外观质量无缝管按GB/T8162-87规定4.1、规格：热轧管外径32～630mm。壁厚2.5～75mm。冷轧(冷拔)管外径5～200mm。壁厚2.5～12mm。4.2、外观质量：钢管的内外表面不得有裂缝、折叠、轧折、离层、发纹和结疤缺陷存在。这些缺陷应完全清除掉，清除后不得使壁厚和外径超过负偏差。4.3、钢管的两端应切成直角，并清除毛刺。壁厚大于20mm的钢管允许气割和热锯切割。经供需双方协议也可不切头。4.4、冷拔或冷轧精密无缝钢管《表面质量》参照GB3639-83。5、化学成分检验5.1、按化学成分和机械性能供应的国产无缝管，如10、15、20、25、30、35、40、45和50号钢的化学成分应符合GB/T699-88的规定。进口无缝管按合同规定的有关标准检验。09MnV、16Mn、15MnV钢的化学成分应符合GB1591-79的规定。5.2、具体分析方法参照GB223-84《钢铁及合金化学分析方法》的有关部分。5.3、分析偏差参照GB222-84《钢的化学分析用试样及成品化学成分允许偏差》。6、物理性能检验6.1、按机构性能供应的国产无缝管，普通碳素钢按GB/T700-88的甲类钢制造(但必须保证含硫量不超过0.050%和含磷量不超过0.045%)，其机械性能应符合GB8162-87表内所规定的数值。6.2、按水压试验供应的国产无缝管必须保证标准所规定的水压试验。6.3、进口无缝管的物理性能检验按合同规定的有关标准进行。7、主要进出口情况7.1、一般无缝管进口量很大。主要进口国家是德国和日本。欧洲国家如罗马尼亚、俄罗斯、瑞士、法国、西班牙、捷克、南斯拉夫、匈牙利等国都有进口。还有少量从南美的阿根廷、墨西哥等国进口。7.2、根据用货单位的不同要求，进口无缝管规格多达100多种，常见的规格有15922mm、1595mm、15918mm。114.38mm、114.310mm、114.313mm。长度一般为5～8m或4～7m不等。主要是热轧碳结构，ST65。进口规格直径最小的为305mm，最大的47813mm。7.3、从法国和西班牙曾进口少量直径较小而壁薄的无缝管，如183mm，223mm、26.93mm等。执行德国曼内斯曼钢管厂的一般规则。7.4、从匈牙利和日本进口的无缝管，常参照DIN2448、DIN1629。7.5、在进口索赔案例中，进口无缝管存在的质量问题主要有：化学成分不合格、压扁试验发生劈裂、抗拉强度低、出现严重锈蚀及凹坑等。
热处理工艺
播报编辑退火是将冷轧精密光亮钢管加热到适当温度，根据材料和工件尺寸采用不同的保温时间，然后进行缓慢冷却，目的是使金属内部组织达到或接近平衡状态，获得良好的工艺性能和使用性能，或 者为进一步淬火作组织准备。正火是将冷轧精密光亮钢管加热到适宜的温度后在空气中冷却，正火的效果同退火相似，只是得到的组织更细，常用于改善材料的切削性能，也有时用于对一些要求不高的零件作为最终热处理。淬火是将冷轧精密光亮钢管加热保温后，在水、油或其它无机盐、有机水溶液等淬冷介质中快速冷却。淬火后冷轧精密光亮钢管变硬，但同时变脆。为了降低冷轧精密光亮钢管的脆性，将淬火后的冷轧精密光亮钢管在高于室温而低于650℃的某一适当温度进行长时间的保温，再进行冷却，这种工艺称为回火。退火、正火、淬火、回火是整体热处理中的“四把火”，其中的淬火与回火关系密切，常常配合使用，缺一不可。“四把火”随着加热温度和冷却方式的不同，又演变出不同的热处理工艺。为了获得一定的强度和韧性，把淬火和高温回火结合起来的工艺，称为调质。某些合金淬火形成过饱和固溶体后，将其置于室温或稍高的适当温度下保持较长时间，以提高合金的硬度、强度或电性磁性等。这样的热处理工艺称为时效处理。把压力加工形变与热处理有效而紧密地结合起来进行，使冷轧精密光亮钢管获得很好的强度、韧性配合的方法称为形变热处理；在负压气氛或真空中进行的热处理称为真空热处理，它不仅能使冷轧精密光亮钢管不氧化，不脱碳，保持处理后冷轧精密光亮钢管表面光洁，提高工件的性能，还可以通入渗剂进行化学热处理。表面热处理是只加热冷轧精密光亮钢管表层，以改变其表层力学性能的金属热处理工艺。为了只加热冷轧精密光亮钢管表层而不使过多的热量传入工件内部，使用的热源须具有高的能量密度，即在单位面积的冷轧精密光亮钢管上给予较大的热能，使冷轧精密光亮钢管表层或局部能短时或瞬时达到高温。表面热处理的主要方法有火焰淬火和感应加热热处理，常用的热源有氧乙炔或氧丙烷等火焰、感应电流、激光和电子束等。化学热处理是通过改变冷轧精密光亮钢管表层化学成分、组织和性能的金属热处理工艺。化学热处理与表面热处理不同之处是后者改变了工件表层的化学成分。化学热处理是将工件放在含碳、氮或其它合金元素的介质(气体、液体、固体)中加热，保温较长时间，从而使工件表层渗入碳、氮、硼和铬等元素。渗入元素后，有时还要进行其它热处理工艺如淬火及回火。化学热处理的主要方法有渗碳、渗氮、渗金属。热处理是机械零件和工模具制造过程中的重要工序之一。大体来说，它可以保证和提高冷轧精密光亮钢管的各种性能 ，如耐磨、耐腐蚀等。还可以改善毛坯的组织和应力状态，以利于进行各种冷、热加工。例如白口铸铁经过长时间退火处理可以获得可锻铸铁，提高塑性 ；齿轮采用正确的热处理工艺，使用寿命可以比不经热处理的齿轮成倍或几十倍地提高；另外，价廉的碳钢通过渗入某些合金元素就具有某些价昂的合金钢性能，可以代替某些耐热钢、不锈钢；工模具则几乎全部需要经过热处理方可使用。新手上路成长任务编辑入门编辑规则本人编辑我有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封©2025 Baidu 使用百度前必读 | 百科协议 | 隐私政策 | 百度百科合作平台 | 京ICP证030173号 京公网安备11000002000001号window.PAGE_DATA= {"lemmaId":1506610,"lemmaTitle":"冷拔精密无缝钢管","lemmaDesc":"一种高精密的钢管材料","lemmaType":0,"uid":88416192,"uname":"用户c01f4505","createTime":1234529796,"updateTime":1750278195,"isDefault":0,"isDeleted":0,"rank":1,"extData":{"isBaikeV6":1,"isFrontV6":1,"isSapp":0,"isWaitForPersonal":false,"is_locked":0,"kpdClassify":[{"id":337502,"name":"工业产品"}],"lemmaId":2197660,"lemma_id":2197660,"newEditor":1,"origAuditArea":90,"origCommandNo":13001003,"pass_count":25,"redirectFrom":[{"fromLemmaId":5550968,"fromTitle":"精密无缝钢管"}],"subLemmaId":2197660,"uip":"10.99.204.212","updateTime":1750278195,"wapEdit":0},"extFlag":0,"versionId":648517816,"versionUid":6863149672,"versionUname":"健身餐刺客","versionCreateTime":1750278193,"catalog":[{"level":1,"title":"分类","index":"1","uuid":"gnaqk4imq9","height":28},{"level":1,"title":"自定义","index":"2","uuid":"gnaqk4r36t","height":28},{"level":1,"title":"化学成分","index":"3","uuid":"gnaqk4r38j","height":28},{"level":1,"title":"产品特点","index":"4","uuid":"gnaqk4r3a5","height":28},{"level":1,"title":"热处理工艺","index":"5","uuid":"gnaqk4r3cy","height":28}],"abstract":[],"abstractAlbum":{"content":[{"albumId":1,"src":"359b033b5bb5c9eadd35bba1d739b6003bf3b3aa","desc":"冷拔精密无缝钢管","width":1280,"height":960,"uuid":"pc3b3aa"}],"desc":"概述图册","total":1,"coverPic":{"albumId":1,"url":"https://bkimg.cdn.bcebos.com/pic/359b033b5bb5c9eadd35bba1d739b6003bf3b3aa?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","src":"359b033b5bb5c9eadd35bba1d739b6003bf3b3aa","origSrc":"359b033b5bb5c9eadd35bba1d739b6003bf3b3aa","desc":"冷拔精密无缝钢管","width":1280,"height":960,"uuid":"pc3b3aa"}},"reference":[{"type":3,"text":"张玉平，谭娟主编. 《液压传动》 2017.第185页","isPublic":"1","index":1,"uuid":"utRmcl4vpZ9K","imgs":[{"url":"960a304e251f95cad1c8f5cc844e683e6709c93df40a","viewUrl":"https://bkimg.cdn.bcebos.com/pic/960a304e251f95cad1c8f5cc844e683e6709c93df40a?x-bce-process=image/watermark,text_55m-5bqm55m-56eRCjk2MGEzMDRlMjUxZjk1Y2FkMWM4ZjU,g_3,x_10,y_10,type_RlpLYWk=,a_-30,size_28,color_00000040,skc_ffffff40,skw_1,layout_tile","previewUrl":"https://bkimg.cdn.bcebos.com/pic/960a304e251f95cad1c8f5cc844e683e6709c93df40a?x-bce-process=image/resize,m_lfit,w_235,h_235,limit_1"}]},{"type":1,"title":"(12)发明专利申请 一种高精度冷拔精密无缝钢管送料装置 所述 送料 冷拔","site":"static.tianyancha.com","publishDate":"2024-01-26","index":2,"uuid":"i2k51nu6cr","encodeUrl":"533aYdO6cr3_z3kATPGMzPr5MyzBMdn-t7DQAOBzzqIP0XOpW5rkToExrsM2__l-FQXIuJksY9kY2firTh4bquhDLrNxF-tm_QKJTDLKmLzu94swyNND8N5ECakQh6Dxv0Sp0Sbe2eKA4jqyiiTJsJb2O2ORHIgc"}],"modules":{"adManager":{"data":{"wapRelatedBusiness":1}},"discussion":{"showHelpEdit":1},"globalConfig":{"data":{"serviceAdLemmaCategory":[337597,337474]}},"paper":{"switch":false},"pinzhuan":{}},"albums":[{"albumId":1,"desc":"冷拔精密无缝钢管","total":1,"coverPic":{"albumId":1,"src":"359b033b5bb5c9eadd35bba1d739b6003bf3b3aa","url":"https://bkimg.cdn.bcebos.com/pic/359b033b5bb5c9eadd35bba1d739b6003bf3b3aa?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","width":1280,"height":960,"desc":"冷拔精密无缝钢管","uuid":"pc3b3aa"},"content":[{"albumId":1,"src":"359b033b5bb5c9eadd35bba1d739b6003bf3b3aa","url":"","width":1280,"height":960,"desc":"冷拔精密无缝钢管","uuid":"pc3b3aa"}]},{"albumId":0,"desc":"词条图片","total":1,"coverPic":{"albumId":0,"tag":"image","type":"normal","src":"bf096b63f6246b60045bb807eaf81a4c510fa26f","url":"https://bkimg.cdn.bcebos.com/pic/bf096b63f6246b60045bb807eaf81a4c510fa26f?x-bce-process=image/resize,m_lfit,w_220,h_220,limit_1","width":252,"height":185,"cropWidth":220,"cropHeight":161.50793,"owner":"聊城宽达管业","title":"冷拔精密无缝钢管","layout":"right","style":"float: right;","uuid":"bibo2owau21"},"content":[{"albumId":0,"tag":"image","type":"normal","src":"bf096b63f6246b60045bb807eaf81a4c510fa26f","url":"https://bkimg.cdn.bcebos.com/pic/bf096b63f6246b60045bb807eaf81a4c510fa26f?x-bce-process=image/resize,m_lfit,w_220,h_220,limit_1","width":252,"height":185,"cropWidth":220,"cropHeight":161.50793,"owner":"聊城宽达管业","title":"冷拔精密无缝钢管","layout":"right","style":"float: right;","uuid":"bibo2owau21"}]},{"albumId":11,"desc":"参考资料图册","total":1,"coverPic":{"albumId":11,"src":"960a304e251f95cad1c8f5cc844e683e6709c93df40a","url":"https://bkimg.cdn.bcebos.com/pic/960a304e251f95cad1c8f5cc844e683e6709c93df40a?x-bce-process=image/watermark,text_55m-5bqm55m-56eRCjk2MGEzMDRlMjUxZjk1Y2FkMWM4ZjU,g_3,x_10,y_10,type_RlpLYWk=,a_-30,size_28,color_00000040,skc_ffffff40,skw_1,layout_tile","width":0,"height":0,"uuid":"utRmcl4vpZ9K"},"content":[{"albumId":11,"src":"960a304e251f95cad1c8f5cc844e683e6709c93df40a","url":"https://bkimg.cdn.bcebos.com/pic/960a304e251f95cad1c8f5cc844e683e6709c93df40a?x-bce-process=image/watermark,text_55m-5bqm55m-56eRCjk2MGEzMDRlMjUxZjk1Y2FkMWM4ZjU,g_3,x_10,y_10,type_RlpLYWk=,a_-30,size_28,color_00000040,skc_ffffff40,skw_1,layout_tile","width":0,"height":0,"uuid":"utRmcl4vpZ9K"}]}],"card":{"type":243,"left":[{"key":"name","title":"中文名","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"冷拔精密无缝钢管"}]}]},{"key":"foreignName","title":"外文名","isArray":true,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"Cold drawn precision seamless steel pipe"}]}]},{"key":"alternateName","title":"别名","isArray":true,"delimiter":"、","data":[{"dataType":"text","text":[{"lemmaId":5550968,"tag":"innerlink","text":"精密无缝钢管"}]}]}],"right":[{"key":"customDefault","title":"钢管主要品种","isArray":false,"delimiter":"","data":[{"dataType":"enum","text":[{"tag":"text","text":"液压系统专用钢管"}],"value":"液压系统专用钢管"}]},{"key":"customDefault","title":"主要标准","isArray":false,"delimiter":"","data":[{"dataType":"enum","text":[{"tag":"text","text":"DIN2391， DIN2445"}],"value":"DIN2391， DIN2445"}]},{"key":"customDefault","title":"主要材质","isArray":false,"delimiter":"","data":[{"dataType":"enum","text":[{"tag":"text","text":"ST35（E235）"}],"value":"ST35（E235）"}]},{"key":"customDefault","title":"特点","isArray":false,"delimiter":"","data":[{"dataType":"enum","text":[{"tag":"text","text":"冷拔成品精度高，表面质量好"}],"value":"冷拔成品精度高，表面质量好"}]}]},"lemmaCnt":1,"tips":{"isPolyseme":0,"viewTip":{"link":"/item/%E7%B2%BE%E5%AF%86%E6%97%A0%E7%BC%9D%E9%92%A2%E7%AE%A1","title":"精密无缝钢管","fromId":5550968,"isPolyseme":0,"fromDesc":"精密无缝钢管"}},"encodeLemmaId":"b699ee53328295862afa145a","versionUk":"gA-UQxyXiECENfk0FV37Kw","description":"冷拔精密无缝钢管是一种通过冷拔或热轧工艺制成的高精度钢管材料，具有内外壁无氧化层、耐高压、高光洁度及冷弯不变形等特点，主要类型包括精密液压无缝钢管、冷拔无缝钢管..."}window.__abbaidu_2020_subidgetf||(window.__abbaidu_2020_subidgetf=function(){return"01000000"}) 产品系列 >> 精密无缝钢管     产品编号：5811412016产品名称：精密无缝钢管规　　格：产品备注：产品类别：产品系列  /* Style Definitions */ table.MsoNormalTable{mso-style-name:普通表格;mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-parent:"";mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-para-margin:0cm;mso-para-margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:10.0pt;font-family:"Times New Roman";mso-fareast-font-family:"Times New Roman";mso-ansi-language:#0400;mso-fareast-language:#0400;mso-bidi-language:#0400;}精密钢管GB/T3639-2008DIN2391用于汽车、摩托车、工程机械、千斤顶、电动工具及运动器材等其他领域所用的精密钢管∮4-273×0.5-30 精密无缝钢管的钢管内外壁无氧化层，承受高压无泄露，高精度，高光洁度，冷弯不变形，扩口、压扁无裂缝。主要应用于液压系统配管、汽车制造配管、军工、工程机械、铁路机车、航空航天、船舶、石油化工、电站、锅炉设备等各行各业。 精密无缝钢管精密无缝钢管精密无缝钢管精密无缝钢管精密无缝管最新规格表规格规格规格规格规格规格16*230*242*459*478*490*816*2.530*2.542*659*678*690*1216*330*345*260*278*891*217*230*445*360*380*291*317*2.530*545*460*480*391*417*330*645*660*680*491*618*232*246*262*280*691*818*2.532*2.546*362*380*891*1218*332*346*462*480*1292*219*232*3.548*262*681*292*319*2.532*448*364*281*492*419*332*548*464*381*692*619*3.532*650*264*481*892*820*234*250*2.564*681*1292*1220*2.534*2.550*365*282*493*420*334*350*465*382*693*621*234*450*665*482*893*821*334*551*265*682*1292*1221*434*651*368*283*493*422*235*251*468*383*693*622*335*2.552*268*483*893*822*435*352*368*683*1293*1223*235*452*470*285*494*423*335*552*670*385*694*623*435*653*270*485*894*824*236*253*370*685*1294*1224*336*2.553*472*286*495*424*436*353*672*386*695*625*236*455*272*486*895*825*338*255*372*686*1295*1225*438*2.555*475*288*496*427*238*355*675*388*698*627*338*3.557*275*488*896*827*438*457*375*688*1296*1228*238*657*475*889*397*428*2.540*257*676*289*497*628*340*358*276*389*697*828*3.540*458*376*489*897*1228*440*558*476*689*1298*429*240*658*676*890*298*629*342*259*278*290*498*829*442*359*378*390*698*12