2HR201 Stainless Steels to BS 2HR 201 (1974)

2HR201 - Specification & Application

  • BS 2HR 201 (1974) - Specification for nickel-chromium-titanium-aluminium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 2.2, Al 1.4)
  • BS 3HR 201 (2009) - Specification for nickel-chromium- titanium-aluminium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Specification for nickel-chromium- titanium-aluminium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Chemical composition(wt.%) of 2HR201 grade: to BS 2HR 201 (1974)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 1.00
Mn - 1.00
P - -
S - 0.015
Cr 18.00 21.00
Ni - remaining
Mo - -
Co - 2.00
Ti 1.80 2.70
Fe - 1.50
Al 1.00 1.80
Cu - 0.20
B - 0.0080
Bi - 0.0001
Pb - 0.002
Ag - 0.0005

2HR201 - Detail

Specification for nickel-chromium- titanium-aluminium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Mechanical properties of grade 2HR201 BS 2HR 201 (1974)

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)
821 (≥) 612 (≥) 14 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical properties of grade 2HR201 BS 2HR 201 (1974)

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
132 (≥) 838 (≥) 13 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
596 169 248

Equivalent Grade

Equivalent Products

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