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CrAl 20 5

Germany DIN CrAl205 Heating conductor alloys; technical delivery conditions for round and flat wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CrAl205 / CrAl 20 5
Category Grade Standard Region/Area Standard Content
Metals CrAl 20 5 DIN 17470 Germany Heating conductor alloys; technical delivery conditions for round and flat wire

Chemical composition(mass fraction)(wt.%) of the CrAl 20 5

Element Min Max Similar

Mechanical Properties of steel grade CrAl 20 5

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)
638 (≥) 892 (≥) 22 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade CrAl 20 5

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
33 - -     0.24 -  
951 883 - 32.3 331   -  
337 - 31 34.2   411 333

Heat Treatment of steel grade CrAl 20 5

Heat treated : 1249°C - 1272°C

Technological Curves of steel grade CrAl 20 5

Cross Reference Table (Equivalent Grade) of CrAl 20 5

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