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HR402

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2HR401 HR403
#HR402

Description

UK B.S. BS HR 402 (1973), BS 2HR 402 (2011), HR402 Specialsteel Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR402
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR402 B.S. UK Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5)

Chemical composition(mass fraction)(wt.%) of the HR402

C Si Mn P S Cr Ni Mo Co Ti Fe Al Cu Zr B Bi Pb Ag
≤0.13 ≤1.00 ≤1.00 ≤ ≥ ≤0.015 18.00 -21.00 ≤remaining ≤ ≥ 15.00 -21.00 2.00 -3.00 ≤1.50 1.00 -2.00 ≤0.20 ≤0.15 ≤0.02 ≤0.0001 ≤0.002 ≤0.0005

Mechanical Properties of steel grade HR402

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)
835 (≥) 126 (≥) 11 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade HR402

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
41 - -     0.44 -  
798 544 - 14.3 334   -  
686 - 34 24.2   312 332

Heat Treatment of steel grade HR402

Heat treated : 1532°C - 1661°C

Technological Curves of steel grade HR402

Relevant standard of HR402

BS HR 402 (1973) Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy cold worked and softened seamless tubes (nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) BS-HR-402-(1973).pdf
BS 2HR 402 (2011) Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) BS-2HR-402-(2011).pdf
2HR401 HR403
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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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