ASTM A335 P91 Steel Pipe For Exchanger
These SA335 P91 High Pressure Alloy Steel Pipe are designed as per international and national standards and are available in customized length sizes and shapes for our esteemed clients. GNEE also offers the same at the best prices in the market.
ASTM A335 P91 Alloy Steel Pipe is a high performance steel pipe that is widely used in various working occasions where high pressure and high temperature are required. A335 P91 seamless steel pipe is equivalent to national standard 10Cr9Mo1VNb. It not only has high oxidation resistance and high temperature steam corrosion resistance, but also has good impact toughness
A335 P91 heat exchanger tube is especially suitable for occasions where steam temperature exceeds 600°C, such as power plants, petroleum, chemical, electric power, construction and other industries.
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Chemical Composition of ASTM A335 P91 Alloy boiler tube
| Grade | C | Mn | P | S | Si | Cr |
| A335 P91 | 0.08-0.12 | 0.3-0.6 | ≤0.02 | ≤0.01 | 0.2-0.5 | 8.0-9.5 |
| Mo | V | N | Ni | Al | Nb | |
| 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | ≤0.4 | ≤0.04 | 0.06-0.10 |
Mechanical Properties of ASTM A335 P91 Seamless alloy boiler tube
| Grade | Mechanical property | ||
| Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | |
| P91 | ≥510 | ≥400 | ≥20 |
A335 P91 Cold drawn pipe

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