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SUS 631 J1


SUS 631 J1 material is JIS G 4314 (1994) Stainless steel wires for springs Stainless steel wires for springs.

Chemical composition of SUS 631 J1, SUS 631 J1 mechanical properties, SUS 631 J1 datasheet, SUS 631 J1 equivalent grade, Heat treatment and temperature process of SUS 631 J1.


SUS 631 J1 property sheet

SUS 631 J1 Spec.

JIS G 4314 (1994)
Stainless steel wires for springs

Chemical Composition of SUS 631 J1

C: Max 0.09
Si: Max 1.00
Mn: Max 1.00
P: Max 0.04
S: Max 0.03
Cr: 16.00 18.00
Ni: 6.50 7.75
Mo: Max Min
N: Max Min
Al: 0.75 1.50

Mechanical Properties of SUS 631 J1

Rp0.2 (MPa) 227 (≥)
Rm (MPa) 253 (≥)
AKV (J) 33
A (%) 43
Z (%) 31
Hardness HBW 422

SUS 631 J1 shape and dimensions

SUS 631 J1 Round bar: 1mm-800mm
SUS 631 J1 Square bar: 10mm * 10mm-600mm *600mm
SUS 631 J1 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 631 J1 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 631 J1 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 631 J1 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes