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Seamless Steel Pipes For Low And Medium Pressure
seamless steel pipes for low and medium pressure Standard: GB/T 3087, ASTM A179, ASTM A192 Application: For heat exchange tubes, steaming tubes (P≤5.88MPA, T＜450℃) Main steel material and grade Chemical composition Mechanical properties
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of seamless steel pipes for low and medium pressure in China, featured by quality products and low price. If you're going to wholesale durable seamless steel pipes for low and medium pressure made in China, welcome to get pricelist and free sample from our factory.
seamless steel pipes for low and medium pressure
Standard: GB/T 3087, ASTM A179, ASTM A192
Application: For heat exchange tubes, steaming tubes (P≤5.88MPA, T＜450℃)
Main steel material and grade
Chemical composition
| Product | Item | Grade | chemical composition, % | |||||||
| C | Si | Mn | P, ≤ | S, ≤ | Cr, ≤ | Ni, ≤ | others | |||
carbon steel | 1 | 10 | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | 0.030 | 0.030 | 0.15 | 0.30 | Cu≤0.25 |
| 2 | 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.030 | 0.030 | 0.15 | 0.30 | Cu≤0.25 | |
| 3 | A179 | 0.06-0.18 | - | 0.27-0.63 | 0.030 | 0.030 | - | - | - | |
| 4 | A192 | 0.06-0.18 | ≥0.25 | 0.27-0.63 | 0.030 | 0.030 | - | - | - | |
Mechanical properties
| Item | Grade | Mechanical properties | Hardness | ||||
Tensile strength, Rm, MPa | Yield strength, ReL or Rp0.2, MPa | Elongation (A), % | |||||
| Thickness, mm | Thickness, mm | ||||||
| ≤16 | ＞16 | ＜5.1 | ≥5.1 | ||||
| ≥ | ≤ | ||||||
| 1 | 10 | 335-475 | 205 | 195 | 24 | - | - |
| 2 | 20 | 410-530 | 245 | 235 | 20 | - | - |
| 3 | A179 | ≥325 | 180 | 35 | - | - | |
| 4 | A192 | ≥325 | 180 | 35 | 77HRB | 137HRB | |
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