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ASTM A179
Class:Carbon & Alloy Steel Seamless Tubes
About this product:
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标准: ASTM A179/(ASME SA179) |
| 冷凝起，过热交换器用冷拔无缝低碳钢管 Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Conderser Tubes |
| Application:
| 用于锅炉热交换器、冷凝器、类似的热转换器
For tubular heat exchangers,condensers,and similar heat transfer apparatus. |
| Size(mm):
| 外径O.D.:6.0~114.0 壁厚W.T.:1~15 长度L：max 12000 |
钢号及化学成分/Grade and Chemical Composition (％)
| Chemical Composition 化学成分 |
C |
Mn |
P≤ |
S≤ |
Si≤ |
| 0.06-0.18 |
0.27-0.63 |
0.035 |
0.035 |
0.25 |
外径和壁厚允许偏差（SA-450/SA-450M）：
| OD In (mm) |
+ |
- |
WT In(mm) |
+ |
- |
| <1(25.4) |
0.10 |
0.10 |
≤1.1/2(38.1) |
20% |
0 |
| 1～1.1/2(25.4～38.1) |
0.15 |
0.15 |
>1.1/2(38.1) |
22% |
0 |
| >1.1/2～<2(38.1～50.8) |
0.20 |
0.20 |
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| 2～<2.1/2(50.8～63.5) |
0.25 |
0.25 |
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| 2.1/2～<3(63.5～76.2) |
0.30 |
0.30 |
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| 3～4(76.2～101.6) |
0.38 |
0.38 |
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| >4～7.1/2(101.6～190.5) |
0.38 |
0.64 |
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| >7.1/2～9(190.5～228.6) |
0.38 |
1.14 |
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