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304S 51


304S 51 material is B.S. BS 1501-3 Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip B.S. BS 1502 Specification for steels for fired and unfired pressure vessels: sections and bars B.S. BS 1503 Specification for steel forgings for pressure purposes B.S. BS 1506 Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications B.S. BS 3059-2 Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties 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 304S 51, 304S 51 mechanical properties, 304S 51 datasheet, 304S 51 equivalent grade, Heat treatment and temperature process of 304S 51.


304S 51 property sheet

304S 51 Spec.

B.S. BS 1501-3
Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
B.S. BS 1502
Specification for steels for fired and unfired pressure vessels: sections and bars
B.S. BS 1503
Specification for steel forgings for pressure purposes
B.S. BS 1506
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
B.S. BS 3059-2
Steel boiler and superheater tubes. Specification for carbon, alloy and austenitic stainless steel tubes with specified elevated temperature properties
B.S. BS 3605-1
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical Composition of 304S 51

C: 0.04 0.10
Si: Max 1.00
Mn: Max 2.00
P: Max 0.040
S: Max 0.030
Cr: 17.00 19.00
Mo: Max Min
Ni: 8.00 11.00

Mechanical Properties of 304S 51

Rp0.2 (MPa) 581 (≥)
Rm (MPa) 836 (≥)
AKV (J) 21
A (%) 23
Z (%) 33
Hardness HBW 332

304S 51 shape and dimensions

304S 51 Round bar: 1mm-800mm
304S 51 Square bar: 10mm * 10mm-600mm *600mm
304S 51 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
304S 51 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
304S 51 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
304S 51 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes