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CFS304 S51


CFS304 S51 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 CFS304 S51, CFS304 S51 mechanical properties, CFS304 S51 datasheet, CFS304 S51 equivalent grade, Heat treatment and temperature process of CFS304 S51.


CFS304 S51 property sheet

CFS304 S51 Spec.

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

Chemical Composition of CFS304 S51

C: 0.04 0.10
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.025
Cr: 17.00 19.00
Mo: Max Min
Ni: 8.00 11.00

Mechanical Properties of CFS304 S51

Rp0.2 (MPa) 543 (≥)
Rm (MPa) 565 (≥)
AKV (J) 14
A (%) 32
Z (%) 44
Hardness HBW 121

CFS304 S51 shape and dimensions

CFS304 S51 Round bar: 1mm-800mm
CFS304 S51 Square bar: 10mm * 10mm-600mm *600mm
CFS304 S51 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
CFS304 S51 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
CFS304 S51 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
CFS304 S51 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes