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HR40

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HR10 HR51
#HR40

Description

UK B.S. BS HR 40 (1972), BS 2HR 40 (2010), HR40 Specialsteel Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR40
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR40 B.S. UK Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5)

Chemical composition(mass fraction)(wt.%) of the HR40

C Si Mn P S Cr Ni Mo Co Ti Fe W
0.05 -0.15 ≤0.40 1.00 -2.00 ≤0.040 ≤0.030 19.00 -21.00 9.00 -11.00 ≤ ≥ ≤remaining ≤ ≥ ≤3.00 14.00 -16.00

Mechanical Properties of steel grade HR40

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)
934 (≥) 271 (≥) 12 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade HR40

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
31 - -     0.23 -  
394 567 - 42.3 233   -  
555 - 12 41.2   434 332

Heat Treatment of steel grade HR40

Heat treated : 1252°C - 1757°C

Technological Curves of steel grade HR40

Relevant standard of HR40

BS HR 40 (1972) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base, Cr 20, W 15, Ni 10, Mn 1.5) BS-HR-40-(1972).pdf
BS 2HR 40 (2010) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5) BS-2HR-40-(2010).pdf
HR10 HR51
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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