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S31803


S31803 material is Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Nitrogen Stainless Steel.

Chemical composition of S31803, S31803 mechanical properties, S31803 datasheet, S31803 equivalent grade, Heat treatment and temperature process of S31803.


S31803 property sheet

S31803 Spec.

Chemical Composition of S31803

C: Max 0.03
Mn: Max 2.00
Si: Max 1.00
P: Max 0.03
S: Max 0.02
Cr: 21.00 23.00
Ni: 4.50 6.50
Mo: 2.50 3.50
N: 0.08 0.20

Mechanical Properties of S31803

Rp0.2 (MPa) 523 (≥)
Rm (MPa) 543 (≥)
AKV (J) 34
A (%) 12
Z (%) 14
Hardness HBW 241

S31803 shape and dimensions

S31803 Round bar: 1mm-800mm
S31803 Square bar: 10mm * 10mm-600mm *600mm
S31803 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S31803 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S31803 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S31803 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes