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12 MnNi 6-3

Germany DIN 12MnNi6-3 Low alloyed MnNi steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12MnNi6-3 / 12 MnNi 6-3
Category Grade Standard Region/Area Standard Content
Metals 12 MnNi 6-3 -- Germany Low alloyed MnNi steel

Chemical composition(mass fraction)(wt.%) of the 12 MnNi 6-3

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni 0.5000 0.8000 -
Mn 0.8000 1.6000 -
C - 0.1500 -
Al 0.2500 - -

Mechanical Properties of steel grade 12 MnNi 6-3

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)
115 (≥) 874 (≥) 14 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 12 MnNi 6-3

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
24 - -     0.21 -  
815 784 - 23.3 123   -  
836 - 44 23.2   432 312

Heat Treatment of steel grade 12 MnNi 6-3

Heat treated : 1226°C - 1158°C

Technological Curves of steel grade 12 MnNi 6-3

Cross Reference Table (Equivalent Grade) of 12 MnNi 6-3

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