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STS431FB


STS431FB material is KS D 3691 (2001) Stainless steel blooms and billets for forgings Stainless steel blooms and billets for forgings.

Chemical composition of STS431FB, STS431FB mechanical properties, STS431FB datasheet, STS431FB equivalent grade, Heat treatment and temperature process of STS431FB.


STS431FB property sheet

STS431FB Spec.

KS D 3691 (2001)
Stainless steel blooms and billets for forgings

Related Materials

STS431
STS431FB

Chemical Composition of STS431FB

C: Max 0.20
Si: Max 1.00
Mn: Max 1.00
P: Max 0.040
S: Max 0.030
Cr: 15.00 17.00
Ni: 1.25 2.50
Mo: Max Min
N: Max Min

Mechanical Properties of STS431FB

Rp0.2 (MPa) 492 (≥)
Rm (MPa) 982 (≥)
AKV (J) 13
A (%) 14
Z (%) 32
Hardness HBW 444

STS431FB shape and dimensions

STS431FB Round bar: 1mm-800mm
STS431FB Square bar: 10mm * 10mm-600mm *600mm
STS431FB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS431FB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS431FB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS431FB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes