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材料号：1.0762牌号：44SMn28标准：EN 10277 - 3 : 2008   ●特性及应用：44SMn28材料，德国牌号特种钢。●化学成分：碳 C：0.4 - 0.48硅 Si：≤0.4锰 Mn：1.3 - 1.7磷 P：≤ 0.06硫 S：0.24 - 0.33