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Germany DIN RSi48 Soft Magnetic Materials for Direct Current Relays; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RSi48 / RSi 48
Category Grade Standard Region/Area Standard Content
Metals RSi 48 DIN 17405 Germany Soft Magnetic Materials for Direct Current Relays; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the RSi 48

Element Min Max Similar

Mechanical Properties of steel grade RSi 48

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)
669 (≥) 234 (≥) 33 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade RSi 48

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
43 - -     0.22 -  
475 651 - 41.3 232   -  
893 - 33 22.2   344 334

Heat Treatment of steel grade RSi 48

Heat treated : 1426°C - 1931°C

Technological Curves of steel grade RSi 48

Cross Reference Table (Equivalent Grade) of RSi 48

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