ASTM A335 P22 Alloy Steel Seamless Round Tube For High Temperature Service
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A335 P22
Minimum Order Quantity:10PC
Delivery Time:15-35 DAYS
Payment Terms:L/C, L/C, T/T
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ASTM A335 P22 Alloy Steel Seamless Tube For High Temperature Service
Overview
ASTM A335 P22 is a standard specification for seamless ferritic alloy steel pipe for high-temperature service. It is used in industries where high-temperature resistance and strength are required, such as power plants, refineries, and petrochemical plants. The P22 alloy steel tube, specified by ASTM A335, is known for its excellent creep and creep-rupture properties. It is designed to withstand high temperatures and harsh operating conditions.
Chemical Composition of ASTM A335 P22
| Grade | Mo | Cr | Si | Mn | C | P | S | |
| P22 | Min | 0.87 | 1.9 | 0.3 | 0.05 | |||
| Max | 1.13 | 2.6 | 0.5 | 0.6 | 0.15 | 0.025 | 0.025 |
Mechanical Properies of ASTM A335 p22
| Grade | Tensile Str Ksi(Mpa) | Yield Str Ksi(Mpa) | Elongation(%) |
| P22 | ≥60(415) | ≥30(205) | ≥30 |
Outside Diameter Tolerance of ASTM A335
| NPS(DN) Designator | Over | Under | ||
| in. | mm | in. | mm | |
| 1/8 to 1 1/2(6 to 40),incl. | 1/64(0.015) | 0.40 | 1/64(0.015) | 0.40 |
| Over 1 1/2 to 4(40 to 100),incl | 1//32(0.031) | 0.79 | 1/32(0.031) | 0.79 |
| Over 4 to 8(100 to 200),incl. | 1/16(0.062) | 1.59 | 1/32(0.031) | 0.79 |
Over 8 to 12(200 to 300),incl. | 3/32(0.093) | 2.38 | 1/32(0.031) | 0.79 |
The Application of ASTM A335 P22
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.
ASTM A335 P22 Alloy Steel Seamless Round Tube For High Temperature Service
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