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发表于 2008-11-22 14:14:44
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来自： 中国广东深圳
STHT3： 热轧板: |/ o2 v8 J2 ], N/ X
( N+ p! v* u: L0 R+ O" S! S
Q235：热轧板 屈服点σs 235 MPA （N/mm²）；
5 w0 Z7 k* A! u* `# b7 z5 @4 ~' _: p0 o M, c) O
Q235分A、B、C、D、E 四级(GB700-88) # a. P+ q5 J3 g; ]/ Y' R0 p
Q235A级含C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045
% x% N* X# j6 z9 W0 PQ235B级含C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045
8 V8 Q2 q/ c9 f" aQ235C级含C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040
0 q" x; N( H, u. ~9 vQ235D级含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035% F# {$ _) J+ z, E
Q235D级含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.0357 Q9 a. v7 \% X5 h2 j% q* X4 |
参考资料：金属材料手册 |
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