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Fe75cr20Al5

England B.S. Fe75cr20Al5 Specification for metallic resistance meterials for electrical purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Fe75cr20Al5 / Fe75cr20Al5
Category Grade Standard Region/Area Standard Content
Metals Fe75cr20Al5 BS 115 England Specification for metallic resistance meterials for electrical purposes

Chemical composition(mass fraction)(wt.%) of the Fe75cr20Al5

Element Min Max Similar
Cr - - 25.0000
Al - - 5.0000
Fe - - 70.0000

Mechanical Properties of steel grade Fe75cr20Al5

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)
535 (≥) 619 (≥) 11 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade Fe75cr20Al5

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 - -     0.44 -  
982 564 - 41.3 412   -  
844 - 41 14.2   323 422

Heat Treatment of steel grade Fe75cr20Al5

Heat treated : 1897°C - 1745°C

Technological Curves of steel grade Fe75cr20Al5

Cross Reference Table (Equivalent Grade) of Fe75cr20Al5

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