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HR6

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HR50/45 HR10
#HR6

Description

UK B.S. BS HR 6 (1972), BS 2HR 6 (2010), HR6 Specialsteel Specification for nickel-chromium- iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR6
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR6 B.S. UK Specification for nickel-chromium- iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6)

Chemical composition(mass fraction)(wt.%) of the HR6

C Si Mn P S Cr Ni Mo Co Ti Fe B W Pb
0.05 -0.15 ≤1.00 ≤1.00 ≤0.015 ≤0.015 20.50 -23.00 ≤remaining 8.00 -10.00 0.50 -2.50 ≤ ≥ 17.00 -20.00 ≤0.010 0.20 -1.00 ≤0.0050

Mechanical Properties of steel grade HR6

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)
425 (≥) 471 (≥) 24 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade HR6

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
42 - -     0.44 -  
552 799 - 44.3 133   -  
428 - 21 24.2   332 413

Heat Treatment of steel grade HR6

Heat treated : 1988°C - 1885°C

Technological Curves of steel grade HR6

Relevant standard of HR6

BS HR 6 (1972) Specification for nickel-chromium-iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6) BS-HR-6-(1972).pdf
BS 2HR 6 (2010) Specification for nickel-chromium- iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6) BS-2HR-6-(2010).pdf
HR50/45 HR10
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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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