|
|
发表于 2010-3-11 15:06:50
|
显示全部楼层
来自： 中国广东深圳
化学成分：: x+ y, I; w1 w" }4 s* k3 u
C:0.19~0.26%
$ D. K @' }4 X7 V, E# `Si:0.10~0.40%5 i# Q h5 g$ W
Mn:1.30~1.65%
0 i) u. M* p1 DS,P:≤0.035%. U8 a4 X+ w; W" z' H0 ?
可以参考标准为ISO 683-1987 Heat-treatable steels, alloy steels and free-cutting steels - Part 1: Direct-hardening unalloyed and low-alloyed wrought steel in form of |
|
