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发表于 2007-4-11 09:06:13
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来自: 中国江苏徐州
4037是美国钢种,成分为:0.35~0.40%C,0.70~0.90%Mn,0.035P(max),0.040S(max),0.15~0.30%Si,0.20~0.30%Mo.: p3 b" n1 K* K9 H8 H' t2 x
% K; e8 t- P7 {2 @$ ]其实看成分,与中国的45#钢类似
K/ Z& O2 \$ W) M/ \. ~
" s. s% L/ u9 {1 T& S与日本的SCM435差别较大。 |
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