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33 MnCrB 5 2

EU EN 33MnCrB52 Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 33MnCrB52 / 33 MnCrB 5 2
Category Grade Standard Region/Area Standard Content
Metals 33 MnCrB 5 2 EN 10083-3 EU Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels

Chemical composition(mass fraction)(wt.%) of the 33 MnCrB 5 2

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0250 -
Mn 1.2000 1.5000 -
Cr 0.3000 0.6000 -
C 0.3000 0.3600 -
B 0.0008 0.0050 -

Mechanical Properties of steel grade 33 MnCrB 5 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)
963 (≥) 583 (≥) 14 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 33 MnCrB 5 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
41 - -     0.44 -  
642 743 - 31.3 233   -  
241 - 23 22.2   123 214

Heat Treatment of steel grade 33 MnCrB 5 2

Heat treated : 1695°C - 1243°C

Technological Curves of steel grade 33 MnCrB 5 2

Cross Reference Table (Equivalent Grade) of 33 MnCrB 5 2

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