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冶金行业标准规范
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周二, 2009年 11月 03日 20:45 |
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牌号
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质量
等级
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C
≤
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Mn
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Si
≤
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P
≤
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S
≤
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V
|
Nb
|
Ti
|
Al
≥
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Cr
≤
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Ni
≤
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Q295
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A
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0.16
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0.80~1.50
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0.55
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0.045
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0.045
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0.02~0.15
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0.015~0.060
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0.02~0.20
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-
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-
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-
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Q345
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A
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0.20
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1.00~1.60
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0.55
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0.045
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0.045
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0.02~0.15
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0.015~0.060
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0.02~0.20
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-
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-
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-
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Q390
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A
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0.20
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1.00~1.60
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0.55
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0.045
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0.045
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0.02~0.20
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0.015~0.060
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0.02~0.20
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-
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0.30
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0.70
|
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Q420
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A
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0.20
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1.00~1.70
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0.55
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0.045
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0.045
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0.02~0.20
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0.015~0.060
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0.02~0.20
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-
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0.40
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0.70
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Q460
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C
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0.20
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1.00~1.70
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0.55
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0.035
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0.035
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0.02~0.20
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0.015~0.060
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0.02~0.20
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0.015
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0.70
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0.70
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注:表中的Al为全铝含量,(铝合金分析仪)如化验酸溶铝时,其含量应不小于0.010%
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{linkr:related}
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