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Description

UK B.S. BS HR 203, BS 2HR 203 (2009), HR203 Specialsteel Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR203
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR203 B.S. UK Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Chemical composition(mass fraction)(wt.%) of the HR203

C Si Mn P S Cr Ni Mo Co Ti Fe Cu Pb
0.08 -0.15 ≤1.00 ≤1.00 ≤ ≥ ≤0.020 18.00 -21.00 ≤remaining ≤ ≥ ≤0.50 0.20 -0.60 ≤5.00 ≤0.50 ≤0.005

Mechanical Properties of steel grade HR203

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
444 (≥) 587 (≥) 31 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade HR203

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.13 -  
127 324 - 22.3 322   -  
949 - 42 31.2   422 221

Heat Treatment of steel grade HR203

Heat treated : 1954°C - 1728°C

Technological Curves of steel grade HR203

Relevant standard of HR203

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

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