Fluid Tube Chemical Compositon
| Standard: | ||||||
| GB/T 8163 | China National Standard | |||||
| ASTM A 53M | Standard OF American Society for Testing & Materials | |||||
| ASTM A 106M | Standard OF American Society for Testing & Materials | |||||
| JIS G 3454 JIS G 3455 JIS G 3456 | Japanese Industrical Standard | |||||
Uses:For converying oil.gas and other fluid.
Chemical Composition(%)
| Standard | Grade | C | Si | Mn | P | S | Ni | Cr | Cu | Mo | V |
| GB/T 8163 | 10 | 0.07-0.37 | 0.07-0.37 | 0.35-0.65 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.15 | ≦0.25 | － | － |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.25 | ≦0.25 | － | － | |
| Q345A | ≦0.20 | ≦0.55 | 1.00-1.60 | ≦0.045 | ≦0.045 | ≦0.30 | ≦0.30 | ≦0.30 | － | － | |
| Q345B | ≦0.20 | ≦0.55 | 1.00-1.60 | ≦0.040 | ≦0.040 | ≦0.30 | ≦0.30 | ≦0.30 | － | － | |
| Q345C | ≦0.20 | ≦0.55 | 1.00-1.60 | ≦0.035 | ≦0.035 | ≦0.30 | ≦0.30 | ≦0.30 | － | 0.02-0.15 | |
| Q345D | ≦0.18 | ≦0.55 | 1.00-1.60 | ≦0.030 | ≦0.030 | ≦0.30 | ≦0.30 | ≦0.30 | － | 0.02-0.15 | |
| Q345E | ≦0.18 | ≦0.5 | 1.00-1.60 | ≦0.025 | ≦0.025 | ≦0.30 | ≦0.30 | ≦0.30 | － | 0.02-0.15 | |
| ASTM A 53M | 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 | |
| ASTM A 106M | A | ≦0.25 | ≧0.10 | 0.27-0.93 | ≦0.035 | ≦0.035 | ≦0.40 | ≦0.40 | ≦0.40 | ≦0.15 | ≦0.08 |
| B | ≦0.30 | ≧0.10 | 0.29-1.06 | ≦0.035 | ≦0.035 | ≦0.40 | ≦0.40 | ≦0.40 | ≦0.15 | ≦0.08 | |
| C | ≦0.35 | ≧0.10 | 0.29-1.06 | ≦0.035 | ≦0.035 | ≦0.40 | ≦0.40 | ≦0.40 | ≦0.15 | ≦0.08 | |
| JIS G 3454 | STPG 370 | ≦0.25 | ≦0.35 | 0.30-0.90 | ≦0.040 | ≦0.040 | － | － | － | － | － |
| STPG 410 | ≦0.30 | ≦0.35 | 0.30-1.00 | ≦0.040 | ≦0.040 | － | － | － | － | － | |
| JIS G 3455 | STS 370 | ≦0.25 | 0.10-0.35 | 0.30-1.10 | ≦0.035 | ≦0.035 | － | － | － | － | － |
| STS 410 | ≦0.30 | 0.10-0.35 | 0.30-1.40 | ≦0.035 | ≦0.035 | － | － | － | － | － | |
| STS 480 | ≦0.33 | 0.10-0.35 | 0.30-1.50 | ≦0.035 | ≦0.035 | － | － | － | － | － | |
| JIS G 3456 | STPT 370 | ≦0.25 | 0.10-0.35 | 0.30-0.90 | ≦0.035 | ≦0.035 | － | － | － | － | － |
| STPT 410 | ≦0.30 | 0.10-0.35 | 0.30-1.00 | ≦0.035 | ≦0.035 | － | － | － | － | － | |
| STPT 480 | ≦0.33 | 0.10-0.35 | 0.30-1.00 | ≦0.035 | ≦0.035 | － | － | － | － | － |
Note:Other grade than the a.m.Chart can be made available is through consultations.
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