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B.S. S.531

S.531


S.531 material is B.S. BS S 531 Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified) Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified).

Chemical composition of S.531, S.531 mechanical properties, S.531 datasheet, S.531 equivalent grade, Heat treatment and temperature process of S.531.


S.531 property sheet

S.531 Spec.

B.S. BS S 531
Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (niobium stabilized: 54 hbar) (elevated temperature properties not verified)

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S.531

Chemical Composition of S.531

C: Max 0.12
Si: 0.20 1.00
Mn: 0.50 2.00
P: Max 0.035
S: Max 0.025
Cr: 23.00 26.00
Ni: 16.00 19.00
Mo: Max Min
Nb: 10×C 1.40

Mechanical Properties of S.531

Rp0.2 (MPa) 376 (≥)
Rm (MPa) 328 (≥)
AKV (J) 32
A (%) 23
Z (%) 34
Hardness HBW 424

S.531 shape and dimensions

S.531 Round bar: 1mm-800mm
S.531 Square bar: 10mm * 10mm-600mm *600mm
S.531 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S.531 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S.531 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S.531 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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