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Germany DIN 1.3940 Non magnetizable steel casting. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.3940 / 1.3940
Category Grade Standard Region/Area Standard Content
Metals 1.3940 SEW 395 Germany Non magnetizable steel casting. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 1.3940

Element Min Max Similar
Si - 1.0000 -
S - 0.0200 -
P - 0.0350 -
Ni 12.0000 14.0000 -
N 0.1000 0.2000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -

Mechanical Properties of steel grade 1.3940

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)
814 (≥) 155 (≥) 42 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 1.3940

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 - -     0.23 -  
825 357 - 43.3 431   -  
758 - 11 32.2   231 122

Heat Treatment of steel grade 1.3940

Heat treated : 1523°C - 1381°C

Technological Curves of steel grade 1.3940

Cross Reference Table (Equivalent Grade) of 1.3940

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