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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

S31640


S31640 material is Austenitic Chromium Nickel Molybdenum Stainless Steel (Columbium Stabilized).

Chemical composition of S31640, S31640 mechanical properties, S31640 datasheet, S31640 equivalent grade, Heat treatment and temperature process of S31640.


S31640 property sheet

S31640 Spec.

Chemical Composition of S31640

C: Max 0.08
Mn: Max 2.00
Si: Max 1.00
P: Max 0.045
S: Max 0.03
Cr: 16.00 18.00
Ni: 10.00 14.00
Mo: 2.00 3.00
N: Max 0.10
Ti+Ta: 10×C% Min

Mechanical Properties of S31640

Rp0.2 (MPa) 492 (≥)
Rm (MPa) 757 (≥)
AKV (J) 24
A (%) 12
Z (%) 34
Hardness HBW 113

S31640 shape and dimensions

S31640 Round bar: 1mm-800mm
S31640 Square bar: 10mm * 10mm-600mm *600mm
S31640 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S31640 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S31640 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S31640 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes