HR203 Stainless Steels to BS HR 203

HR203 - Specification & Application

  • BS HR 203 - Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)
  • BS 2HR 203 (2009) - Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Chemical composition(wt.%) of HR203 grade: to BS HR 203

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 - 0.50
Ti 0.20 0.60
Fe - 5.00
Cu - 0.50
Pb - 0.005

HR203 - Detail

Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Mechanical properties of grade HR203 BS HR 203

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)
971 (≥) 878 (≥) 34 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade HR203 BS HR 203

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
849 (≥) 329 (≥) 11 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
939 745 732

Equivalent Grade

Equivalent Products

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