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13MnNiMo5-4

Germany SEW 13MnNiMo5-4 Non-alloy and alloy steels with specified properties at moderately elevated and elevated temperatures for pressure vessel purposes; Technical delivery conditions for flat products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 13MnNiMo5-4 / 13MnNiMo5-4
Category Grade Standard Region/Area Standard Content
Metals 13MnNiMo5-4 SEW 028 Germany Non-alloy and alloy steels with specified properties at moderately elevated and elevated temperatures for pressure vessel purposes; Technical delivery conditions for flat products

Chemical composition(mass fraction)(wt.%) of the 13MnNiMo5-4

Element Min Max Similar
Si 0.1000 0.5000 -
S - 0.0250 -
P - 0.0250 -
Ni 0.6000 1.0000 -
Nb 0.0040 0.0150 -
Mo 0.2000 0.4000 -
Mn 1.0000 1.6000 -
Cr 0.2000 0.4000 -
C - 0.1500 -
Al 0.0150 - -

Mechanical Properties of steel grade 13MnNiMo5-4

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)
341 (≥) 789 (≥) 11 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 13MnNiMo5-4

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
33 - -     0.12 -  
227 192 - 43.3 421   -  
248 - 41 44.2   231 243

Heat Treatment of steel grade 13MnNiMo5-4

Heat treated : 1719°C - 1699°C

Technological Curves of steel grade 13MnNiMo5-4

Cross Reference Table (Equivalent Grade) of 13MnNiMo5-4

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