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KS STS631

STS631


STS631 material is martensitic steel.

Chemical composition of STS631, STS631 mechanical properties, STS631 datasheet, STS631 equivalent grade, Heat treatment and temperature process of STS631.


STS631 property sheet

STS631 Spec.

Related Materials

STS631
STS631CSP
STS631J1

Chemical Composition of STS631

C Max 0.09
Si Max 1.00
Mn Max 1.00
P Max 0.04
S Max 0.03
Cr 16.0-18.0
Ni 6.50-7.75
Al 0.75-1.50

Mechanical Properties of STS631

Rp0.2 (MPa) 526 (≥)
Rm (MPa) 595 (≥)
AKV (J) 12
A (%) 43
Z (%) 31
Hardness HBW 342

STS631 shape and dimensions

STS631 Round bar: 1mm-800mm
STS631 Square bar: 10mm * 10mm-600mm *600mm
STS631 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS631 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS631 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS631 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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