钢管标准 |
钢管牌号 |
A106无缝钢管化学成分 |
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C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
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ASTM A106 |
A |
≤0.25 |
≥0.10 |
0.27~0.93 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
B |
≤0.30 |
≥0.10 |
0.29~1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
|
C |
≤0.35 |
≥0.10 |
0.29~1.06 |
≤0.35 |
≤0.35 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
注:① 在规定的最大碳含量以下,碳含量每降低0.01%,则允许A106无缝钢管在规定的最大锰含量之上各增加0.06%的含锰量,但最大不得超过1.35%;
②Cu、Ni、Cr、Mo、V这五种元素之和不得大于1.00%