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HR404

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HR403 2HR501
#HR404

Description

UK B.S. BS HR 404 (1973), BS 2HR 404 (2011), HR404 Specialsteel Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR404
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR404 B.S. UK Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)

Chemical composition(mass fraction)(wt.%) of the HR404

C Si Mn P S Cr Ni Mo Co Ti Fe Al Ag Al+Ti Cu B Bi Pb
0.04 -0.08 ≤0.40 ≤0.60 ≤ ≥ ≤0.007 19.00 -21.00 ≤remaining 5.60 -6.10 19.00 -21.00 1.90 -2.40 ≤0.70 0.30 -0.60 ≤0.0005 2.40 -2.80 ≤0.20 ≤0.0050 ≤0.0001 ≤0.002

Mechanical Properties of steel grade HR404

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)
156 (≥) 664 (≥) 31 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade HR404

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 - -     0.13 -  
975 562 - 31.3 214   -  
423 - 23 41.2   434 242

Heat Treatment of steel grade HR404

Heat treated : 1342°C - 1618°C

Technological Curves of steel grade HR404

Relevant standard of HR404

BS HR 404 (1973) Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) BS-HR-404-(1973).pdf
BS 2HR 404 (2011) Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) BS-2HR-404-(2011).pdf
HR403 2HR501
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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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