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Germany DIN 1.3845 Soft Magnetic Materials for Direct Current Relays; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.3845 / 1.3845
Category Grade Standard Region/Area Standard Content
Metals 1.3845 DIN 17405 Germany Soft Magnetic Materials for Direct Current Relays; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the 1.3845

Element Min Max Similar

Mechanical Properties of steel grade 1.3845

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)
248 (≥) 863 (≥) 22 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 1.3845

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
41 - -     0.21 -  
385 539 - 14.3 242   -  
684 - 34 14.2   112 431

Heat Treatment of steel grade 1.3845

Heat treated : 1321°C - 1591°C

Technological Curves of steel grade 1.3845

Cross Reference Table (Equivalent Grade) of 1.3845

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