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
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 16.0 18.0
Ni: 10.0 14.0
Mo: 2.00 3.00
N: Max 0.10
Carbon equivalent: Max 10xC≤b≤1.10

Mechanical Properties of S31640

Rp0.2 (MPa) 596 (≥)
Rm (MPa) 949 (≥)
AKV (J) 32
A (%) 13
Z (%) 13
Hardness HBW 224

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