Description
Product Description
ASTM A335 seamless pipe are designed to meet the rigorous demands of high-temperature and high-pressure applications in the power generation and petrochemical industries. Manufactured to stringent ASTM standards, these pipes offer exceptional durability, high strength, and excellent resistance to corrosion and oxidation. Available in various grades such as P5, P9, P11, P22, and P91, our seamless pipes ensure reliable performance in extreme environments.
Chemical Composite ASTM A335 seamless pipe
| Element | Grade P5 | Grade P9 | Grade P11 | Grade P22 | Grade P91 |
|---|---|---|---|---|---|
| Carbon (C) | 0.15 max | 0.15 max | 0.05-0.15 | 0.05-0.15 | 0.08-0.12 |
| Manganese (Mn) | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 |
| Phosphorus (P) | 0.025 max | 0.025 max | 0.025 max | 0.025 max | 0.020 max |
| Sulfur (S) | 0.025 max | 0.025 max | 0.025 max | 0.025 max | 0.010 max |
| Silicon (Si) | 0.50 max | 0.25-1.00 | 0.50-1.00 | 0.50 max | 0.20-0.50 |
| Chromium (Cr) | 4.00-6.00 | 8.00-10.00 | 1.00-1.50 | 1.90-2.60 | 8.00-9.50 |
| Molybdenum (Mo) | 0.45-0.65 | 0.90-1.10 | 0.44-0.65 | 0.87-1.13 | 0.85-1.05 |
| Vanadium (V) | - | - | - | - | 0.18-0.25 |
| Nickel (Ni) | - | - | - | - | 0.85-1.05 |
| Nitrogen (N) | - | - | - | - | 0.030-0.070 |
Mechanical Properties ASTM A335 seamless pipe
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| P5 | 415 min | 205 min | 30 min | 60 max |
| P9 | 415 min | 205 min | 30 min | 60 max |
| P11 | 415 min | 205 min | 30 min | 85 max |
| P22 | 415 min | 205 min | 30 min | 85 max |
| P91 | 585 min | 415 min | 20 min | 85 max |
Conclusion
ASTM A335 seamless pipes are integral components in high-temperature and high-pressure applications, designed to withstand extreme conditions in industries such as power generation, petrochemicals, and refineries. These pipes, available in various grades including P5, P9, P11, P22, and P91, offer exceptional strength, durability, and resistance to corrosion and oxidation.
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