ASTM A335 alloy steel pipe

Astm A335 standard specication for seamless ferritic alloy-steel pipe for high-temperature service

ASTM A335 standard is issued under the fixed designation A 335/A 335M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

The main products of steel / steel grade:
ASTM A335 P9 alloy pipe
ASTM A335 P9 alloy pipe
The range of ASTM A335 P9 pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
ASTM A335 P11 alloy pipe
ASTM A335 P11 alloy pipe
ASTM A335 P11 is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
ASTM A335 P22 alloy steel pipe
ASTM A335 P22 alloy steel pipe
ASTM A335 P22 is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
ASTM A335 P91 High pressure boiler pipes
ASTM A335 P91 High pressure boiler pipes
ASTM A335 P91 high pressure semaless boiler pipe, The range of ASTM A335 P91 seamless alloy steel pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
ASTM A335 P92 High pressure boiler pipes
ASTM A335 P92 High pressure boiler pipes
ASTM A335 P92 pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
ASTM A335 P5 High pressure boiler pipes
ASTM A335 P5 High pressure boiler pipes
The range of ASTM A335 P5 pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.

Astm A335 standard specication for seamless ferritic alloy-steel pipe

Download Abrasion resistant The ceramic-lined steel composite pipes, Bends and elobws specifications & size range
This specification covers nominal (average) wall seamless alloy-steel pipe intended for high-temperature service (Mote 1). Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.

Chemical Compositions(%) of ASTM A335/335M

Grade  C Si Mn P(≤) S(≤) Cr Mo
P11 0.05-0.15 0.50-1.00 0.30-0.60 0.025 0.025 1.00-1.50 0.44-0.65
P12 0.05-0.15 ≤0.50 0.30-0.61 0.025 0.025 0.80-1.25 0.44-0.65
P22 0.05-0.15 ≤0.50 0.30-0.60 0.025 0.025 1.90-2.60 0.87-1.13
P5 ≤0.15 ≤0.50 0.30-0.60 0.025 0.025 4.00-6.00 0.45-0.65

Mechanical Properties of ASTM A335/335M:

Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
P11 ≥205 ≥415 20
P12 ≥220 ≥415 20
P22 ≥205 ≥415 20
P5 ≥205 ≥415 20


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