High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

HR55


HR55 material is B.S. BS 2HR 55 (2010) Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) B.S. BS HR 55 Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder).

Chemical composition of HR55, HR55 mechanical properties, HR55 datasheet, HR55 equivalent grade, Heat treatment and temperature process of HR55.


HR55 property sheet

HR55 Spec.

B.S. BS 2HR 55 (2010)
Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder)
B.S. BS HR 55
Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder)

Related Materials

HR55

Chemical Composition of HR55

C: 0.04 0.08
Si: Max 0.50
Mn: Max 0.20
P: Max Min
S: Max 0.015
Cr: 15.50 17.50
Ni: 42.00 45.00
Mo: 2.80 3.80
Co: Max 2.00
Ti: 1.10 1.30
Fe: Max remaining
Al: 1.10 1.30
Cu: Max 0.50
B: Max 0.005
Pb: Max 0.0015
Bi: Max 0.0001
Ag: Max 0.0005
Zr: 0.01 0.04

Mechanical Properties of HR55

Rp0.2 (MPa) 282 (≥)
Rm (MPa) 422 (≥)
AKV (J) 13
A (%) 23
Z (%) 33
Hardness HBW 242

HR55 shape and dimensions

HR55 Round bar: 1mm-800mm
HR55 Square bar: 10mm * 10mm-600mm *600mm
HR55 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HR55 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HR55 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HR55 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes