ASTM A335 P22 Alloy steel pipe Description
ASTM A335 This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. ASTM A335 P22 is a chromium-molybdenum (Cr-Mo) alloy steel pipe for widely using in high-temperature and high-pressure applications, particularly in power plants, refineries, and petrochemical industries,etc.
Here are some key features and properties of A335 P22 pipes:
High-temperature strength: A335 P22 pipes can withstand high temperatures up to 600°C (1112°F) without losing their strength and performance.
Corrosion resistance: A335 P22 pipes are highly resistant to corrosion, making them ideal for use in harsh environments.
Ductility: A335 P22 pipes have good ductility, which allows them to be easily formed and welded.
Versatility: A335 P22 pipes can be used in a variety of applications that require high-temperature and high-pressure resistance, such as power generation plants, oil and gas refineries, chemical processing plants, and aerospace industry.
Availability: A335 P22 pipes are widely available in different sizes, wall thicknesses, and lengths to suit various applications.
A335 P22 Seamless Ferritic Alloy Steel Pipe Specification
Alloy Steel Pipe A335 P22 :
Size : 1/2" TO 24 "IN OD & NB
Schedule: SCH20, SCH30, SCH40
Type : Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.
MATERIALS :
Alloy Steel Pipe A335 P22 – AS Pipe A335 P22
Chemical Composition max%
| Grade | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Molybdenum |
| P22 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5 | 1.9-2.6 | 0.87-1.13 |
Mechanical Property
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) | High-Temperature Strength |
| P22 | 0.05-0.15 | 0.3-0.6 | 0.025 | well up to 593°C (1100°F) |
GNEE A335 P22 alloy tubing in stock
Application of ASTM A335 P22 Chrome Moly Alloy Seamless Pipe
1.Power Generation: It is widely used in power plants for the construction of boiler tubes, steam headers, and superheater/reheater tubes. The alloy steel composition of P22 provides excellent resistance to high temperatures and corrosion, making it suitable for these critical components.
2.Petroleum Refining: ASTM A335 P22 is used in the construction of pipes and fittings for oil and gas refineries. It is specifically designed to withstand the harsh conditions of petroleum refining, including high temperatures, corrosive environments, and high-pressure applications.
3.Chemical Processing: P22 alloy steel pipes are utilized in chemical processing plants for various applications, including transport of corrosive fluids and exposure to high temperatures. Its resistance to oxidation and corrosion makes it suitable for handling a wide range of chemical substances.
4.Petrochemical Industry: P22 pipes find extensive use in the petrochemical industry for transportation of chemicals, gases, and hydrocarbons at high temperatures and pressures. They are often employed in the construction of reactor vessels, heat exchangers, and other critical equipment.
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