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AISI Grade31

Grade31


Grade31 material is .

Chemical composition of Grade31, Grade31 mechanical properties, Grade31 datasheet, Grade31 equivalent grade, Heat treatment and temperature process of Grade31.


Grade31 property sheet

Grade31 Spec.

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Chemical Composition of Grade31

C 0.45-0.55
Si Max 1.00
Mn Max 1.00
P Max 0.040
S Max 0.040
Cr 24.5-26.5
Ni 9.50-11.5
W 7.00-8.00
B 0.005-0.015
other Fe Max 2.00

Mechanical Properties of Grade31

Rp0.2 (MPa) 411 (≥)
Rm (MPa) 232 (≥)
AKV (J) 41
A (%) 42
Z (%) 42
Hardness HBW 211

Grade31 shape and dimensions

Grade31 Round bar: 1mm-800mm
Grade31 Square bar: 10mm * 10mm-600mm *600mm
Grade31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Grade31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Grade31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Grade31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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