2.OD:1/4"-14"
3.WT:SCH40-SCH160
4.API5L,API5CT
GB/T8163-2008 seamless steel pipe for fluid transport
1. Standard: ASTM A106/A53, GB/T 8163
2. Material: ASTM A106/A53 Gr B, 20, Q345 etc
3. Tolerance: by the standard
2. Material: ASTM A106/A53 Gr B, 20, Q345 etc
3. Tolerance: by the standard
1. Standard: ASTM A106/A53, GB/T 8163
2. Material: ASTM A106/A53 Gr B, 20, Q345 etc
3. Tolerance: by the standard
4. Size: OD: 2.5-50mm, can be manufactured by customer's requirement; WT: 6-820mm; Length: 6M~12M, length can be manufactured by customer requirement.
5. Bundling: according to the customer's requirements
6. Packing: standard Seaworthy Packing (NB: Coating against rust)
7. Protection: supply varnish coating, bevel end, plastic cap
8. Application: this products used for conveying water, petroleum, gas and other common fluids
9. Certificate Standard: ISO 9001: 2000
10. Payment Terms: T/T in advance or irrevocable L/C at sight
11. Minimum Order: 20 Tons
2. Material: ASTM A106/A53 Gr B, 20, Q345 etc
3. Tolerance: by the standard
4. Size: OD: 2.5-50mm, can be manufactured by customer's requirement; WT: 6-820mm; Length: 6M~12M, length can be manufactured by customer requirement.
5. Bundling: according to the customer's requirements
6. Packing: standard Seaworthy Packing (NB: Coating against rust)
7. Protection: supply varnish coating, bevel end, plastic cap
8. Application: this products used for conveying water, petroleum, gas and other common fluids
9. Certificate Standard: ISO 9001: 2000
10. Payment Terms: T/T in advance or irrevocable L/C at sight
11. Minimum Order: 20 Tons
Pipe Type | Pipe Sizes | Tolerances | |
Cold Drawn | ≤48.3mm | ±0.40mm | |
≥60.3mm | ±1%mm | ||
WT | ±12.5% | ||
Grade and Chemical Composition:
Grade | C≤ | Mn | P≤ | S≤ | Si≥ | Cr≤ | Cu≤ | Mo≤ | Ni≤ | V≤ |
A | 0.25 | 0.27-0.93 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
B | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Mechanical Properties:
Grade | Rm Mpa Tensile Strength | Mpa Yield Point | Elongation | Delivery Condition |
A | ≥330 | ≥205 | 20 | Annealed |
B | ≥415 | ≥240 | 20 | Annealed |
C | ≥485 | ≥275 | 20 | Annealed |
1)Seamless steel pipe Specification
| Seamless type | Outer Diameter | Thickness | Length |
| Round Pipe | 32mm - 630mm | 2.5mm-75.0mm | any length |
| Square Pipe | 10mm*10mm-600mm*600mm | 1.5mm-75.0mm | any length |
| Rectangle Pipe | 20mm*10mm - 400mm*300mm | 1.5mm-55.0mm | any length |
| L/T/Z window section | 28mm/38mm | 0.5mm-1.5mm | any length |
2)Seamless steel pipe dimensions and tolerances
| Bias level | Standard diameter tolerance |
| D1 | ±1.5%,Least±0.75 mm |
| D2 | ±1.0%,Least±0.50 mm |
| D3 | ±0.75%,Least±0.30 mm |
| D4 | ±0.50%,Least±0.10 mm |
