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LW 304S31


LW 304S31 material is B.S. BS 3605-2 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes.

Chemical composition of LW 304S31, LW 304S31 mechanical properties, LW 304S31 datasheet, LW 304S31 equivalent grade, Heat treatment and temperature process of LW 304S31.


LW 304S31 property sheet

LW 304S31 Spec.

B.S. BS 3605-2
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Chemical Composition of LW 304S31

C: Max 0.07
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 17.00 19.00
Mo: Max Min
Ni: 8.00 11.00

Mechanical Properties of LW 304S31

Rp0.2 (MPa) 649 (≥)
Rm (MPa) 618 (≥)
AKV (J) 43
A (%) 34
Z (%) 32
Hardness HBW 211

LW 304S31 shape and dimensions

LW 304S31 Round bar: 1mm-800mm
LW 304S31 Square bar: 10mm * 10mm-600mm *600mm
LW 304S31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
LW 304S31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
LW 304S31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
LW 304S31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes