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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

STS631CSP


STS631CSP material is KS D 3534 (2002) Cold rolled stainless steel strip for springs Cold rolled stainless steel strip for springs.

Chemical composition of STS631CSP, STS631CSP mechanical properties, STS631CSP datasheet, STS631CSP equivalent grade, Heat treatment and temperature process of STS631CSP.


STS631CSP property sheet

STS631CSP Spec.

KS D 3534 (2002)
Cold rolled stainless steel strip for springs

Related Materials

STS631
STS631CSP
STS631J1

Chemical Composition of STS631CSP

C: Max 0.09
Si: Max 1.00
Mn: Max 1.00
P: Max 0.040
S: Max 0.030
Cr: 16.00 18.00
Ni: 6.50 7.75
Mo: Max Min
N: Max Min
Al: 0.75 1.50

Mechanical Properties of STS631CSP

Rp0.2 (MPa) 737 (≥)
Rm (MPa) 149 (≥)
AKV (J) 34
A (%) 24
Z (%) 12
Hardness HBW 433

STS631CSP shape and dimensions

STS631CSP Round bar: 1mm-800mm
STS631CSP Square bar: 10mm * 10mm-600mm *600mm
STS631CSP Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS631CSP Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS631CSP Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS631CSP Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes