- Steel Pipes[49]
- Glass Processing Machinery Parts[1]
- Diesel Generators[16]
- Engines[10]
- Engine Parts[10]
- Gas Turbine Generators[10]
- Other Generators[1]
- Contact Person : Mr. xu troy
- Company Name : Qingzhou Feida Industrial Co., Ltd.
- Tel : 86-536-3529988
- Fax : 86-536-3529988
- Address : Shandong,Weifang,798 North Qingzhou Road
- Country/Region : China
- Zip : 262500
Seamless steel tubes for liquid service
Detailed Product Description
Dimension Tolerances
Pipe types | Pipe size mm | Tolerances ( Standard) | |
Hot Rolled | OD | all | ±1% Min±0.50 |
WT | all | +15% | |
Cold Drawn | OD D | 6~10 | ±0.20mm |
10~30 | ±0.40mm | ||
30~50 | ±0.45mm | ||
>50 | ±1% | ||
WT | ≤1 | ±0.15mm | |
>1~3 | +15% | ||
>3 | +12.5% | ||
Mechanical Properties:
Item NO |
Grade |
Tensile Strengthσb |
Yield Strength |
Elongation | ||
≤16 | >16 | |||||
MIN | ||||||
1 | 10 | 335~475 | 205 | 195 | 24 | |
2 | 20 | 410~550 | 245 | 235 | 20 | |
3 | Q345 | 490~665 | 325 | 315 | 21 | |
Chemical composition:
|
| Chemical composition | |||||||
C | Si | Mn | P | S | Cr | Ni | Cu | ||
GB/T8163 | 10 | 0.070.14 | 0.170.37 | 0.350.65 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 |
20 | 0.170.24 | 0.170.37 | 0.350.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | |
Q345 | 0.120.20 | 0.200.55 | 1.201.60 | ≤0.045 | ≤0.045 | / | / | / | |
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.
