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HR207

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Description

UK B.S. BS HR 207 (1973), BS 2HR 207 (2009), HR207 Specialsteel Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy plate, sheet and strip (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR207
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR207 B.S. UK Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy plate, sheet and strip (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder)

Chemical composition(mass fraction)(wt.%) of the HR207

C Si Mn P S Cr Ni Mo Co Ti Fe Al Cu Zr B Bi Pb Ag
0.04 -0.08 ≤0.50 ≤0.20 ≤ ≥ ≤0.015 15.50 -17.50 42.00 -45.00 2.80 -3.80 ≤2.00 1.10 -1.30 ≤remaining 1.10 -1.30 ≤0.50 0.02 -0.04 ≤0.0050 ≤0.0001 ≤0.0015 ≤0.0005

Mechanical Properties of steel grade HR207

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)
287 (≥) 883 (≥) 42 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade HR207

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
32 - -     0.31 -  
445 275 - 41.3 222   -  
925 - 31 22.2   131 314

Heat Treatment of steel grade HR207

Heat treated : 1435°C - 1383°C

Technological Curves of steel grade HR207

Relevant standard of HR207

BS HR 207 (1973) Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy plate, sheet and strip (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) BS-HR-207-(1973).pdf
BS 2HR 207 (2009) Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy plate, sheet and strip (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) BS-2HR-207-(2009).pdf
HR206 HR208
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Jiangyou Longhai Special Steel Co.,Ltd.

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