astm a 53钢管是什么材质-其它知识
astm a 53钢管是什么材质
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无缝碳素钢与合金钢机械用管/Seamless carbon and Alloy Steel Mechanical Tubing |
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Application: |
适用于作受力及承压件，也可用于一般用途的蒸汽、水、气体及空气管线。
For mechanical and pressure use,and also for transporting steam,water,gas and etc. |
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Size(mm): |
外径 O.D.: 6.0～323.0 壁厚 W.T.: 1～30 长度 L: max 12000 |
钢号及化学成分/Grade and Chemical Composition (％)
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钢级Grade |
C ≤ |
M ≤ |
P ≤ |
S ≤ |
Cu ≥ |
Ni ≤ |
Cr ≤ |
Mo ≤ |
V ≤ |
|
A |
0.25 |
0.95 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
|
B |
0.30 |
1.20 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
机械性能/Mechanical Properties：
