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ASTM A53
所属分类:碳钢无缝管和合金管
产品介绍:
标准: ASTM A53 |
无镀层及热浸镀锌焊接与无缝公称钢管/Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
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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. |
Size(mm):
| 外径 O.D.: 6.0~630.0 壁厚 W.T.: 1~50长度 L: max 26000 |
钢号及化学成分/Grade and Chemical Composition (%)
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:
钢号 Grade |
抗拉强度 Rm Mpa Tensile Strength |
屈服点 Mpa Yield Point |
伸长率A% Elongation |
交货状态 Delivery Condition |
A |
≥330 |
≥205 |
20 |
Annealed |
B |
≥415 |
≥240 |
20 |
Annealed |
尺寸偏差/Dimension Tolerances:
钢管类型 Pipe Type |
钢管尺寸 Pipe Sizes |
允许偏差 Tolerances |
冷拔管 Cold Drawn |
外径 OD |
≤48.3mm |
±0.40mm |
壁厚 WT |
≥60.3mm |
±1%mm |
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