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SUS 431


SUS 431 material is JIS G 4303 (2012) Stainless steel bars Stainless steel bars.

Chemical composition of SUS 431, SUS 431 mechanical properties, SUS 431 datasheet, SUS 431 equivalent grade, Heat treatment and temperature process of SUS 431.


SUS 431 property sheet

SUS 431 Spec.

JIS G 4303 (2012)
Stainless steel bars

Chemical Composition of SUS 431

C: Max 0.20
Si: Max 1.00
Mn: Max 1.00
P: Max 0.04
S: Max 0.03
Cr: 15.00 17.00
Ni: 1.25 2.50
Mo: Max Min
N: Max Min

Mechanical Properties of SUS 431

Rp0.2 (MPa) 149 (≥)
Rm (MPa) 998 (≥)
AKV (J) 13
A (%) 32
Z (%) 33
Hardness HBW 144

SUS 431 shape and dimensions

SUS 431 Round bar: 1mm-800mm
SUS 431 Square bar: 10mm * 10mm-600mm *600mm
SUS 431 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 431 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 431 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 431 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes