Available 24/7 at contact@steel-grades.com

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)
793 (≥) 688 (≥) 43 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

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
44 - -     0.44 -  
612 746 - 44.3 412   -  
277 - 33 41.2   234 143

Heat Treatment of steel grade HR6

Heat treated : 1878°C - 1348°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

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this HR6?
  • List your company on S&G now? Join
  • Non-paying users only
Top