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HR208

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#HR208

Description

UK B.S. BS 2HR 208 (2009), BS HR 208, HR208 Specialsteel Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR208
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR208 B.S. UK Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8)

Chemical composition(mass fraction)(wt.%) of the HR208

C Si Mn P S Cr Ni Mo Co Ti Fe Cu
≤0.15 ≤0.50 ≤1.00 ≤ ≥ ≤0.015 14.00 -17.00 72.00 - ≥ ≤ ≥ ≤ ≥ ≤ ≥ 6.00 -10.00 ≤0.50

Mechanical Properties of steel grade HR208

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)
991 (≥) 747 (≥) 12 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade HR208

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
13 - -     0.24 -  
927 835 - 12.3 312   -  
212 - 34 22.2   114 121

Heat Treatment of steel grade HR208

Heat treated : 1323°C - 1758°C

Technological Curves of steel grade HR208

Relevant standard of HR208

BS 2HR 208 (2009) Specification for nickel-chromium-iron alloy plate, sheet and strip: annealed (nickel base, Cr 15.5, Fe 8) BS-2HR-208-(2009).pdf
BS HR 208 Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8) BS-HR-208.pdf
HR207 HR209
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