ASTM A333 GR6 Seamless Pipes
SSM supplies ASTM A333 Grade 6 seamless pipes with full EN 10204 3.1 certification, impact testing, and NDT inspection.
Pipes are delivered with oil film or black painted coating for corrosion protection, and customized lengths, beveling, and packaging are available based on client requirements.
ASTM A333 Grade 6 seamless pipes are low-temperature carbon steel pipes designed for use in cryogenic and low-temperature pressure systems, such as those found in oil refineries, gas processing plants, and power generation facilities. These pipes maintain excellent toughness and strength even at sub-zero temperatures.
Key Features:
Standard: ASTM A333 / ASME SA333
Grade: 6
Type: Seamless (Hot Finished or Cold Drawn)
Ends: Plain End (PE), Beveled End (BE), or Threaded End (TE)
Chemical Composition (%):
| Element | Grade 6 |
|---|---|
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.29–1.06 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | 0.10 min |
| Nickel (Ni) | ≤ 0.40 |
| Chromium (Cr) | ≤ 0.40 |
| Copper (Cu) | ≤ 0.40 |
| Molybdenum (Mo) | ≤ 0.15 |
| Vanadium (V) | ≤ 0.08 |
Mechanical Properties:
| Property | Requirement |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 30% |
| Impact Test | Passed at −45°C (Charpy V-Notch) |
Applications:
Low-temperature and cryogenic services
Gas processing and LNG industries
Pressure vessels and heat exchangers
Oil and petrochemical refineries
Power generation and storage tanks
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