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HR251


HR251 material is B.S. BS HR 251 (1974) Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder) Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder).

Chemical composition of HR251, HR251 mechanical properties, HR251 datasheet, HR251 equivalent grade, Heat treatment and temperature process of HR251.


HR251 property sheet

HR251 Spec.

B.S. BS HR 251 (1974)
Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder)

Related Materials

HR251

Chemical Composition of HR251

C: Max 0.06
Si: Max 0.50
Mn: Max 2.00
P: Max 0.020
S: Max 0.015
Cr: 13.50 16.00
Ni: 24.00 27.00
Mo: 1.00 1.50
Co: Max Min
Ti: 1.70 2.00
Fe: Max remaining
Al: Max 0.35
V: 1.70 2.00
B: 0.003 0.010
Pb: Max 0.005

Mechanical Properties of HR251

Rp0.2 (MPa) 214 (≥)
Rm (MPa) 139 (≥)
AKV (J) 22
A (%) 11
Z (%) 12
Hardness HBW 434

HR251 shape and dimensions

HR251 Round bar: 1mm-800mm
HR251 Square bar: 10mm * 10mm-600mm *600mm
HR251 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HR251 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HR251 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HR251 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes