HR3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR3

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B.S. HR3

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This page is mainly introduced the HR3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)
  • Steel Garde:HR3
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS HR 3 Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.7, Ti 1.2)
    2 BS 2HR 3 (2010) Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)
  • Application:Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.12  0.17
Si   1.00
Mn   1.00
P  
S   0.015
Cr 14.00  15.70
Ni   remaining
Mo 4.50  5.50
Co 18.00  22.00
Ti 0.90  1.50
Fe   1.00
Al 4.50  4.90
Cu   0.20
B 0.0030  0.0100
Bi   0.0001
Pb   0.0015
Ag   0.0005
Zr   0.15

Mechanical Properties

Tensile strength 005~447 σb/MPa
Yield Strength 632 σ 0.2 ≥/MPa
Elongation 78 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 358~201 -
HRC 30 -

Physical Properties

Thermal expansion 42-18 e-6/K
Thermal conductivity 24-64 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2034-3139 째C
Density 8562-7623 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
HR3 Stainless Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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