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HR3

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2HR2 HR4
#HR3

Description

UK B.S. BS HR 3, BS 2HR 3 (2010), HR3 Specialsteel Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR3
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR3 B.S. UK Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)

Chemical composition(mass fraction)(wt.%) of the HR3

C Si Mn P S Cr Ni Mo Co Ti Fe Al Cu B Bi Pb Ag Zr
0.12 -0.17 ≤1.00 ≤1.00 ≤ ≥ ≤0.015 14.00 -15.70 ≤remaining 4.50 -5.50 18.00 -22.00 0.90 -1.50 ≤1.00 4.50 -4.90 ≤0.20 0.0030 -0.0100 ≤0.0001 ≤0.0015 ≤0.0005 ≤0.15

Mechanical Properties of steel grade HR3

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)
439 (≥) 251 (≥) 12 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade HR3

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
24 - -     0.43 -  
518 237 - 42.3 314   -  
347 - 23 43.2   244 213

Heat Treatment of steel grade HR3

Heat treated : 1822°C - 1453°C

Technological Curves of steel grade HR3

Cross Reference Table (Equivalent Grade) of HR3

Grade Standard Country Application
HR3C

Relevant standard of HR3

BS HR 3 Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.7, Ti 1.2) BS-HR-3.pdf
BS 2HR 3 (2010) Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2) BS-2HR-3-(2010).pdf
2HR2 HR4
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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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