HR205 Stainless Steels to BS HR 205 (1989)

HR205 - Specification & Application

  • BS HR 205 (1989) - Specification for nickel-chromium-iron-molybdenum-cobalt-tungsten heat-resisting alloy plate, sheet and strip (nickel base Cr 22, Fe 18.5, Mo 9, Co 1.5, W 0.6)
  • BS 2HR 205 (2009) - Specification for nickel-copper alloy sheet and strip: annealed (nickel base, Cu 31)

Specification for nickel-copper alloy sheet and strip: annealed (nickel base, Cu 31)

Chemical composition(wt.%) of HR205 grade: to BS HR 205 (1989)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.16
Si - 0.50
Mn - 2.00
P - -
S - 0.020
Cr - -
Ni 63.00 -
Mo - -
Co - 2.00
Ti - -
Fe - 2.50
Al - 0.50
Cu 28.00 34.00

HR205 - Detail

Specification for nickel-copper alloy sheet and strip: annealed (nickel base, Cu 31)

Mechanical properties of grade HR205 BS HR 205 (1989)

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)
399 (≥) 316 (≥) 42 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade HR205 BS HR 205 (1989)

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
147 (≥) 798 (≥) 13 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
117 256 838

Equivalent Grade

Equivalent Products

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