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23 CrMoB 3-3

Germany DIN 23CrMoB3-3 Heat treatable alloyed CrMnMo steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 23CrMoB3-3 / 23 CrMoB 3-3
Category Grade Standard Region/Area Standard Content
Metals 23 CrMoB 3-3 -- Germany Heat treatable alloyed CrMnMo steel

Chemical composition(mass fraction)(wt.%) of the 23 CrMoB 3-3

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mo 0.3000 0.4000 -
Mn 0.7000 0.9000 -
Cr 0.7000 0.9000 -
C 0.2000 0.2500 -
B 0.0008 0.0050 -

Mechanical Properties of steel grade 23 CrMoB 3-3

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)
794 (≥) 466 (≥) 14 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 23 CrMoB 3-3

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
32 - -     0.31 -  
188 567 - 43.3 141   -  
223 - 31 33.2   422 342

Heat Treatment of steel grade 23 CrMoB 3-3

Heat treated : 1752°C - 1588°C

Technological Curves of steel grade 23 CrMoB 3-3

Cross Reference Table (Equivalent Grade) of 23 CrMoB 3-3

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