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23 MnNiCrMo 5 2

Germany DIN 23MnNiCrMo52 Steels for welded round link chains; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 23MnNiCrMo52 / 23 MnNiCrMo 5 2
Category Grade Standard Region/Area Standard Content
Metals 23 MnNiCrMo 5 2 DIN 17115 Germany Steels for welded round link chains; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 23 MnNiCrMo 5 2

Element Min Max Similar
C 0.2000 0.2600 -
Mn 1.1000 1.4000 -
P - 0.0200 -
S - 0.0150 -
Si - 0.2500 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.2000 0.3000 -
Cu - 0.2000 -
N - 0.0120 -
Al 0.0250 0.0500 -

Mechanical Properties of steel grade 23 MnNiCrMo 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)
827 (≥) 746 (≥) 44 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 23 MnNiCrMo 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
32 - -     0.12 -  
392 267 - 12.3 313   -  
735 - 22 13.2   233 321

Heat Treatment of steel grade 23 MnNiCrMo 5 2

Heat treated : 1586°C - 1161°C

Technological Curves of steel grade 23 MnNiCrMo 5 2

Cross Reference Table (Equivalent Grade) of 23 MnNiCrMo 5 2

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