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JIS SUS431

SUS431


SUS431 material is Martensitic special steel.

Chemical composition of SUS431, SUS431 mechanical properties, SUS431 datasheet, SUS431 equivalent grade, Heat treatment and temperature process of SUS431.


SUS431 property sheet

SUS431 Spec.

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Chemical Composition of SUS431

C Max 0.20
Si Max 1.00
Mn Max 1.00
P Max 0.04
S Max 0.03
Cr 15.0-17.0
Ni 1.25-2.50

Mechanical Properties of SUS431

Rp0.2 (MPa) 416 (≥)
Rm (MPa) 734 (≥)
AKV (J) 21
A (%) 44
Z (%) 43
Hardness HBW 133

SUS431 shape and dimensions

SUS431 Round bar: 1mm-800mm
SUS431 Square bar: 10mm * 10mm-600mm *600mm
SUS431 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS431 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS431 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS431 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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