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ASTM A335 Grade P22 Alloy Steel Seamless Pipe

Very popular in the power industry and petrochemical plants, the ASTM A335 P22 Alloy Steel Pipe is an alloy that belongs to the ferritic category. The ASTM A335 P22 Pipe is typically used in those applications where high temperature conditions are very prominent. Since the alloy has good resistance to creep, in addition to having good heat resisting abilities, which is why as P22 Pipe suppliers most of our clients belong to the petrochemical and the power generation industry. Apart from fusion welding, the Alloy Steel A335 P22 pipe is well suited to be subjected to forming operations such as bending, flanging, and similar practices. Moreover, similar to several ASTM specifications, the ASTM A335 P22 Material needs to conform to requirements pertaining to the chemical composition, tensile property, as well as the hardness requirements.

ASTM A335 Grade P22 Alloy Steel Seamless Pipe

While the chemistry of A335 P22 Welded Pipe contains chromium, molybdenum, this carbon steel alloy pipe could also have an addition of vanadium. As typical of steels alloyed with Chromium, the P22 Seamless Pipe not only has an improved high temperature strength, along with increased oxidation resistance, properties deemed important for the petrochemical and the power generation industry. Moreover, the addition of chromium in P22 Steel Pipe also raises the tensile strength, yield strength and hardness at room temperatures. Whereas the content of molybdenum in SA335 Grade P22 increases its tensile strength, resistance to wear, along with its elastic limit, impact qualities and hardenability.

Specification schedule of ASTM A335 Grade P22 Pipe

Specifications ASTM A 335, ASME SA 335
Size 1/8NB TO 24NB IN
Type Seamless
Specialized in Large Diameter Size
Outer Dimensions 19.05mm – 114.3mm
Wall Thickness 2.0mm – 14 mm
Length max 16000mm
Schedule Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk.
Form Square, Round, Rectangular, Hydraulic Etc.
Length Double Random, Single Random & Cut Length.
Tubing End Beveled End, Plain End, Treaded.

Know Before Buy

ASTM A335 Grade P22 Alloy Steel Seamless Pipes are Carbon steel pipes with addition of chromium, molybdenum, and sometimes vanadium. It has high-temperature strength, high oxidation resistance and tensile strength.

SA335 Gr P22 Pipe Tensile Requirements

P-5 P-9 P-11 P-22 P-91
Tensile Strength, min., psi
ksi 60 60 60 60 85
MPa 415 415 415 415 585
Yield Strength, min., psi
ksi 30 30 30 30 60
MPa 205 205 205 205 415

Composition Chart of P22 Alloy Steel Seamless Pipe

Alloy Steel P22 C Cr Mn Mo P S Si
0.05 – 0.15 1.90 – 2.60 0.30 – 0.60 0.87 – 1.13 0.025 max 0.025 max 0.50 max

Mechanical Characteristics of A335 P22 Welded Pipe

Tensile Strength, MPa Yield Strength, MPa Elongation
415 min 205 min 30 min

ASTM A335 P22 Pipe Equivalent Material

ASTM ASME Equivalent material JIS G 3458 UNS BS DIN ISO ABS NK LRS
A335 P22 SA335 P22 T22, 10CrMo910, 10CrMo9-10, 1.7380, 11CrMo9-10, 1.7383 STPA 24 K21590 3604 P1 622 17175
2604 II TS34 ABS 13 KSTPA 24 Sec 2
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