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CrAl 14-4

Germany DIN CrAl14-4 Heating conductor alloys; technical delivery conditions for round and flat wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CrAl14-4 / CrAl 14-4
Category Grade Standard Region/Area Standard Content
Metals CrAl 14-4 DIN 17470 Germany Heating conductor alloys; technical delivery conditions for round and flat wire

Chemical composition(mass fraction)(wt.%) of the CrAl 14-4

Element Min Max Similar
Fe - - -
Cr - - 14.0000
Al - - 4.0000

Mechanical Properties of steel grade CrAl 14-4

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)
676 (≥) 775 (≥) 41 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade CrAl 14-4

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
42 - -     0.13 -  
343 824 - 43.3 143   -  
756 - 43 23.2   311 221

Heat Treatment of steel grade CrAl 14-4

Heat treated : 1855°C - 1388°C

Technological Curves of steel grade CrAl 14-4

Cross Reference Table (Equivalent Grade) of CrAl 14-4

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