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39 MnCrB 6 2

Germany DIN 39MnCrB62 Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 39MnCrB62 / 39 MnCrB 6 2
Category Grade Standard Region/Area Standard Content
Metals 39 MnCrB 6 2 DIN EN 10083-3 Germany Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels

Chemical composition(mass fraction)(wt.%) of the 39 MnCrB 6 2

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0250 -
Mn 1.4000 1.7000 -
Cr 0.3000 0.6000 -
C 0.3600 0.4200 -
B 0.0008 0.0050 -

Mechanical Properties of steel grade 39 MnCrB 6 2

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)
247 (≥) 297 (≥) 41 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 39 MnCrB 6 2

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
11 - -     0.11 -  
898 959 - 12.3 132   -  
685 - 24 23.2   312 344

Heat Treatment of steel grade 39 MnCrB 6 2

Heat treated : 1338°C - 1913°C

Technological Curves of steel grade 39 MnCrB 6 2

Cross Reference Table (Equivalent Grade) of 39 MnCrB 6 2

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