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HFS 316S31


HFS 316S31 material is B.S. BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes.

Chemical composition of HFS 316S31, HFS 316S31 mechanical properties, HFS 316S31 datasheet, HFS 316S31 equivalent grade, Heat treatment and temperature process of HFS 316S31.


HFS 316S31 property sheet

HFS 316S31 Spec.

B.S. BS 3605-1
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical Composition of HFS 316S31

C: Max 0.07
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 16.50 18.50
Mo: 2.00 2.50
Ni: 10.50 13.50

Mechanical Properties of HFS 316S31

Rp0.2 (MPa) 521 (≥)
Rm (MPa) 432 (≥)
AKV (J) 33
A (%) 32
Z (%) 12
Hardness HBW 222

HFS 316S31 shape and dimensions

HFS 316S31 Round bar: 1mm-800mm
HFS 316S31 Square bar: 10mm * 10mm-600mm *600mm
HFS 316S31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HFS 316S31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HFS 316S31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HFS 316S31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes