HR5 Stainless Steels to BS 2HR 5 (2010)

HR5 - Specification & Application

  • BS 2HR 5 (2010) - Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4)
  • BS HR 5 - Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4)

Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4)

Chemical composition(wt.%) of HR5 grade: to BS 2HR 5 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.15
Si - 1.00
Mn - 1.00
P - -
S - 0.020
Cr 18.00 21.00
Ni - remaining
Mo - -
Co - 5.00
Ti 0.20 0.60
Fe - 5.00
Al - -
Cu - 0.50
B - -
Bi - -
Pb - 0.0050
Ag - -

HR5 - Detail

Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4)

Mechanical properties of grade HR5 BS 2HR 5 (2010)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
443 (≥) 125 (≥) 43 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade HR5 BS 2HR 5 (2010)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
431 (≥) 899 (≥) 43 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
527 957 857

Equivalent Products

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