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S.129


S.129 material is B.S. BS 2S 129 Specification for 18/9 chromium-nickel corrosion-resisting steel (titanium stabilized) billets, bars, forgings and parts (540 MPa: limiting ruling section 150 mm) Specification for 18/9 chromium-nickel corrosion-resisting steel (titanium stabilized) billets, bars, forgings and parts (540 MPa: limiting ruling section 150 mm).

Chemical composition of S.129, S.129 mechanical properties, S.129 datasheet, S.129 equivalent grade, Heat treatment and temperature process of S.129.


S.129 property sheet

S.129 Spec.

B.S. BS 2S 129
Specification for 18/9 chromium-nickel corrosion-resisting steel (titanium stabilized) billets, bars, forgings and parts (540 MPa: limiting ruling section 150 mm)

Related Materials

2S.129
S.129

Chemical Composition of S.129

C: Max 0.12
Si: 0.20 1.00
Mn: 0.50 2.00
P: Max 0.035
S: Max 0.025
Cr: 17.00 19.00
Ni: 8.00 11.00
Mo: Max Min
Ti: Max 5×C

Mechanical Properties of S.129

Rp0.2 (MPa) 218 (≥)
Rm (MPa) 956 (≥)
AKV (J) 32
A (%) 32
Z (%) 34
Hardness HBW 112

S.129 shape and dimensions

S.129 Round bar: 1mm-800mm
S.129 Square bar: 10mm * 10mm-600mm *600mm
S.129 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S.129 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S.129 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S.129 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes