ASTM A106 Grade B Seamless Pipes
SSM provides ASTM A106 Grade B seamless pipes with complete EN 10204 3.1 certificates, NDT testing, and customized cutting & coating (black paint, varnish, galvanization, or oil film protection) according to client requirements.
ASTM A106 Grade B seamless pipes are carbon steel pipes designed for high-temperature and high-pressure service in industries such as oil and gas, power generation, petrochemical, and refinery applications.
Key Features:
Standard: ASTM A106 / ASME SA106
Grade: B
Manufacturing Process: Seamless (Hot Finished or Cold Drawn)
Size Range: 1/8" NB to 36" NB
Ends: Plain End (PE), Beveled End (BE), Threaded End (TE)
Chemical Composition (%):
| Element | Grade B |
|---|---|
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.29–1.06 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | ≥ 0.10 |
| Chromium (Cr) | ≤ 0.40 |
| Copper (Cu) | ≤ 0.40 |
| Nickel (Ni) | ≤ 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:
Oil and gas transmission lines
Boilers, heat exchangers, and pressure vessels
Refinery piping and process lines
Power plants and steam lines
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