ASTM A53 GRB Seamless Pipes
SSM supplies ASTM A53 Grade B seamless pipes that meet EN 10204 3.1 certification, with hydrostatic, ultrasonic, and eddy current testing available upon request. Pipes can be delivered with oil film protection, black varnished coating, or galvanized finish depending on project requirements.
ASTM A53 Grade B seamless pipes are carbon steel pipes widely used for mechanical, pressure, and structural applications, including water, gas, steam, and air lines. They are suitable for both welding and forming operations such as coiling, bending, and flanging.
Key Features:
Standard: ASTM A53 / ASME SA53
Grade: B
Type: Seamless (Type S)
Manufacturing Process: Hot Finished or Cold Drawn
Ends: Plain End (PE), Beveled End (BE), or Threaded End (TE)
Chemical Composition (%):
| Element | Grade B |
|---|---|
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | ≤ 1.20 |
| Phosphorus (P) | ≤ 0.05 |
| Sulfur (S) | ≤ 0.045 |
| Silicon (Si) | ≤ 0.10 |
| Copper (Cu) | ≤ 0.40 |
| Nickel (Ni) | ≤ 0.40 |
| Chromium (Cr) | ≤ 0.40 |
| Molybdenum (Mo) | ≤ 0.15 |
| Vanadium (V) | ≤ 0.08 |
Mechanical Properties:
| Property | Grade B |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 30% |
Applications:
Low-pressure fluid transportation (water, air, gas, and steam)
Mechanical and structural purposes
Fire protection systems
Plumbing and HVAC systems
Oil and gas pipelines
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