High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SUS 431FB


SUS 431FB material is JIS G 4319 (1991) Stainless steel blooms and billets for forgings Stainless steel blooms and billets for forgings.

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


SUS 431FB property sheet

SUS 431FB Spec.

JIS G 4319 (1991)
Stainless steel blooms and billets for forgings

Related Materials

SUS 431FB

Chemical Composition of SUS 431FB

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

Mechanical Properties of SUS 431FB

Rp0.2 (MPa) 433 (≥)
Rm (MPa) 831 (≥)
AKV (J) 12
A (%) 21
Z (%) 34
Hardness HBW 334

SUS 431FB shape and dimensions

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