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ASTM A335 GRADE P91


ASTM A335 GRADE P91 material is Seamless Ferritic Alloy Steel Pipe for High-Temperature Service.

Chemical composition of ASTM A335 GRADE P91, ASTM A335 GRADE P91 mechanical properties, ASTM A335 GRADE P91 datasheet, ASTM A335 GRADE P91 equivalent grade, Heat treatment and temperature process of ASTM A335 GRADE P91.


ASTM A335 GRADE P91 property sheet

ASTM A335 GRADE P91 Spec.

Related Materials

Chemical Composition of ASTM A335 GRADE P91

C 0.08-0.12
Si 0.20-0.50
Mn 0.30-0.60
P Max 0.020
S Max 0.010
Cr 8.00-9.50
Ni Max 0.40
Mo 0.85-1.05
V 0.18-0.25
Nb 0.06-0.10
Al Max 0.02
Ti Max 0.01

Mechanical Properties of ASTM A335 GRADE P91

Rp0.2 (MPa) 326 (≥)
Rm (MPa) 636 (≥)
AKV (J) 14
A (%) 13
Z (%) 43
Hardness HBW 111

ASTM A335 GRADE P91 shape and dimensions

ASTM A335 GRADE P91 Round bar: 1mm-800mm
ASTM A335 GRADE P91 Square bar: 10mm * 10mm-600mm *600mm
ASTM A335 GRADE P91 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ASTM A335 GRADE P91 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ASTM A335 GRADE P91 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ASTM A335 GRADE P91 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

ASTM A335 GRADE P91 Relevant products

A387 F5 / Grade 5 Coil / Sheet

A387 F5 / Grade 5 Coil / Sheet

A387 F5 Grade 5 Coil Sheet
SA-437 Grade B4B

SA-437 Grade B4B

SA-437 Grade B4B
A387 F5 / Grade 5 Coil / Sheet

A387 F5 / Grade 5 Coil / Sheet

A387 F5 Grade 5 Coil Sheet