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30 CrMoNiV 5 11

Germany SEW 30CrMoNiV511 Steels for larger forgings for components in turbine and generator installations and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30CrMoNiV511 / 30 CrMoNiV 5 11
Category Grade Standard Region/Area Standard Content
Metals 30 CrMoNiV 5 11 SEW 555 Germany Steels for larger forgings for components in turbine and generator installations

Chemical composition(mass fraction)(wt.%) of the 30 CrMoNiV 5 11

Element Min Max Similar

Mechanical Properties of steel grade 30 CrMoNiV 5 11

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)
472 (≥) 386 (≥) 23 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 30 CrMoNiV 5 11

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 - -     0.43 -  
296 368 - 12.3 321   -  
756 - 44 13.2   313 331

Heat Treatment of steel grade 30 CrMoNiV 5 11

Heat treated : 1793°C - 1363°C

Technological Curves of steel grade 30 CrMoNiV 5 11

Cross Reference Table (Equivalent Grade) of 30 CrMoNiV 5 11

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