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HFS304 S11


HFS304 S11 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 HFS304 S11, HFS304 S11 mechanical properties, HFS304 S11 datasheet, HFS304 S11 equivalent grade, Heat treatment and temperature process of HFS304 S11.


HFS304 S11 property sheet

HFS304 S11 Spec.

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

Chemical Composition of HFS304 S11

C: Max 0.03
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: 9.00 12.00

Mechanical Properties of HFS304 S11

Rp0.2 (MPa) 951 (≥)
Rm (MPa) 845 (≥)
AKV (J) 44
A (%) 14
Z (%) 23
Hardness HBW 444

HFS304 S11 shape and dimensions

HFS304 S11 Round bar: 1mm-800mm
HFS304 S11 Square bar: 10mm * 10mm-600mm *600mm
HFS304 S11 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HFS304 S11 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HFS304 S11 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HFS304 S11 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes