astm a 53鋼管是什么材質(zhì)-其它知識
astm a 53鋼管是什么材質(zhì)
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無縫碳素鋼與合金鋼機(jī)械用管/Seamless carbon and Alloy Steel Mechanical Tubing |
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Application: |
適用于作受力及承壓件，也可用于一般用途的蒸汽、水、氣體及空氣管線。
For mechanical and pressure use,and also for transporting steam,water,gas and etc. |
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Size(mm): |
外徑 O.D.: 6.0～323.0 壁厚 W.T.: 1～30 長度 L: max 12000 |
鋼號及化學(xué)成分/Grade and Chemical Composition (％)
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鋼級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 |
機(jī)械性能/Mechanical Properties：
