ASTM A335 P91 alloy steel pipe is a type of high-temperature and high-pressure alloy steel pipe widely used in industrial sectors such as petrochemicals, power plants, and nuclear power plants for pipeline transportation. As a product of Yantai Baosteel Pipe Co., Ltd., it conforms to the ASTM A335 standard and exhibits excellent heat resistance and oxidation resistance, making it suitable for operating environments reaching temperatures as high as 600°C (1112°F). Comprised mainly of chromium, molybdenum, tungsten, and other alloying elements, P91 alloy steel pipe boasts high strength and corrosion resistance, making it commonly utilized in the fabrication of high-temperature boiler pipelines and furnace components.
Chemical Composition (Typical Values):
- Carbon Content (C): 0.08 – 0.12%
- Manganese Content (Mn): 0.30 – 0.60%
- Phosphorus Content (P): ≤ 0.025%
- Sulfur Content (S): ≤ 0.025%
- Silicon Content (Si): 0.20 – 0.50%
- Chromium Content (Cr): 8.00 – 9.50%
- Molybdenum Content (Mo): 0.85 – 1.05%
- Vanadium Content (V): 0.18 – 0.25%
- Iron (Fe): Balance
Mechanical Properties (Minimum Values):
- Yield Strength: ≥ 415 MPa
- Tensile Strength: ≥ 585 MPa
- Elongation: ≥ 20%
As a product of Yantai Baosteel Pipe Co., Ltd., ASTM A335 P91 alloy steel pipe, with its outstanding performance and reliability, provides dependable assurance for industrial production, making it an ideal choice for high-temperature and high-pressure conditions.