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Home » Product List » Steel Pipe & Tube » Seamless Steel Tube (GB/T 8163_1999)
Product Details
Seamless Steel Tube (GB/T 8163_1999)
| Model NO.: | GB/T 8163 |
|---|
Product Description
Application: For conveying of petroleum, gas and other fluids.
Products can be also supplied according to the standard of ASTM A53-98, ASTM A192, ASME S192, JIS G3452-1998, JIS G3454-1998, DIN 1629-1984, ISO 559: 1991, ASTM A106, JIS G 3458.
| Pipe types | Pipe size mm | Tolerances ( Standard) | |
| Hot Rolled | OD D | all | ±1% (Min±0.50 ) |
| WT s | all | +15% -12.5%( Min+0.45 -0.40) | |
| Cold Drawn | OD D | 6~10 | ±0.20mm |
| 10~30 | ±0.40mm | ||
| 30~50 | ±0.45mm | ||
| >50 | ±1% | ||
| WT s | ≤1 | ±0.15mm | |
| >1~3 | +15% -10% | ||
| >3 | +12.5% -10% | ||
Mechanical Properties:
| Item NO | Grade | Tensile Strengthσb Mpa | Yield Strength σ0.2, Mpa | Elongation δ5 % | ||
| ≤16 | >16 | |||||
| MIN | ||||||
| 1 | 10 | 335~475 | 205 | 195 | 24 | |
| 2 | 20 | 410~550 | 245 | 235 | 20 | |
| 3 | Q345 | 490~665 | 325 | 315 | 21 | |
Standard | Grade | Chemical composition | |||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | ||
| GB/T8163 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | |
| Q345 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.045 | ≤0.045 | / | / | / | |
