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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
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& u! J7 G3 g. S( y$ N Q' x' R7 MQ235：热轧板 屈服点σs 235 MPA （N/mm²）；
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, s- ~ R, k+ ?* [Q235分A、B、C、D、E 四级(GB700-88)
, X( y0 V) @2 h+ K( lQ235A级含C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045 + m7 f% T4 ]# t3 l$ Q
Q235B级含C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045
# O; q( M3 C/ D6 c& Q9 Q- b) S; gQ235C级含C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040
* d' \! o2 h% P4 x* `7 V6 o6 X, ZQ235D级含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.0359 M6 u" k5 z4 a+ M$ @/ }
Q235D级含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035" o. P; ~ K3 }
参考资料：金属材料手册 |
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