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个人中心收藏查看我的收藏0有用+10播报讨论上传视频钢种是一种铬硅钨合金工具钢，对应国际牌号包括俄罗斯6xB2C、法国55WC20及德国60WCrV7等。该钢种执行GB/T1299—2000标准，通过添加钨元素细化淬火晶粒，提升回火韧性和高温强度，淬火硬度可达≥57HRC，优于4CrW2Si和5CrW2Si等同系材料 [1]。其化学成分含碳0.55%-0.65%、硅0.50%-0.80%、铬1.00%-1.30%、钨2.00%-2.70%，退火态硬度为285-229HB。该钢种适用于制造承受冲击载荷的高耐磨工具，如风动工具、冲压模具、冷剪机刀片及热锻模等场景 [2] [4]。热处理规范为860-900℃油冷，临界温度Ac1为775℃、Ac3为810℃、Ms为280℃ [3]。常规供货形态包括直径45-100mm圆钢和厚度20-75mm退火态板材，可替代碳工钢或Cr12系钢用于高冲击工况 [2] [5]。中文名
日本标准JIS G4404：2000
美国标准ASTM A681：2007
国际标准ISO 4957:1999

目录
1钢具介绍2常用规格3参考对应牌号4典型应用举例
钢具介绍
播报编辑钢钢具有比4CrW2Si钢和5CrW2Si钢更高的淬火硬度和一定的高温强度。 通常用于制造承受冲击载荷而又要求耐磨性高的工具，如风动工具，凿子和冲压模具，冷剪机刀片，冲裁边用凹模，空气锤用工具等。钢的化学成分钢化学成分（GB/T1299—2000）w/%CSiMnCrWPS0.55~0.650.50~0.80≤0.401.00~1.302.00~2.70≤0.030≤0.030钢的物理性能钢的临界温度示于表。钢临界温度临界点Ac1Ac3Ms温度（近似值）/℃775810280钢的的热加工钢的的热加工工艺示于表。热加工工艺 [1]项 目加热温度/℃始锻温度/℃终锻温度/℃冷却方式钢 锭钢 坯1170~12001150~11701150~11801100~140≥850≥850缓 冷缓 冷钢力学性能硬度 ：退火,285～229HB,压痕直径3.6～4.0mm;淬火,≥57HRC钢热处理规范及金相组织热处理规范：试样淬火860～900℃,油冷。钢交货状态钢材以退火状态交货。
常用规格
播报编辑钢材牌号 圆钢 类别 板材6crw2si钢材模具钢材|材料 ∮45 国产钢材 20厚6crw2si钢材模具钢材|材料 ∮50 国标钢材 25厚6crw2si钢材模具钢材|材料 ∮55 非标钢材 30厚6crw2si钢材模具钢材|材料 ∮60 期货钢材 35厚6crw2si钢材模具钢材|材料 ∮65 现货钢材 40厚6crw2si钢材模具钢材|材料 ∮70 零售钢材 45厚6crw2si钢材模具钢材|材料 ∮75 批发钢材 50厚6crw2si钢材模具钢材|材料 ∮80 模具钢材 55厚6crw2si钢材模具钢材|材料 ∮85 特殊钢材 60厚6crw2si钢材模具钢材|材料 ∮90 金属材料 65厚6crw2si钢材模具钢材|材料 ∮95 模具材料 70厚6crw2si钢材模具钢材|材料 ∮100 热处理 75厚
参考对应牌号
播报编辑中国GB 标准牌号、俄罗斯r0cT 标准牌号6xB2C、 法国NF 标准牌号55wc20、德国DlN 标准牌号60WCrv7、德国DIN 标准材料编号1. 2550、瑞典SIS 标准牌号2550、国际标准化组织(ISO) 标准牌号60WCrV2。
典型应用举例
播报编辑①适用于用碳工钢制造而承载能力不足、用油淬火的低变形钢及Cr12系钢制造，易于脆裂，而用高速钢或高强度钢制造，又不经济的高耐磨的模具。②当模具以磨损和堆塌为主要失效形式时，可改用此钢。③适用于制造剪刀、切片冲头等。④可用于重负荷下工作的冲模、压模、铸造精整工具、风动凿子等。⑤作为热加工用钢，可生产螺钉和热铆的冲头。⑥高温压铸轻合金的顶头。⑦热锻模等。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= 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