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30 CrNiMo 5 5

Germany DIN 30CrNiMo55 Heat treatable low alloyed CrNiMnMo steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30CrNiMo55 / 30 CrNiMo 5 5
Category Grade Standard Region/Area Standard Content
Metals 30 CrNiMo 5 5 -- Germany Heat treatable low alloyed CrNiMnMo steel

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

Element Min Max Similar

Mechanical Properties of steel grade 30 CrNiMo 5 5

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)
442 (≥) 987 (≥) 13 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 30 CrNiMo 5 5

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
14 - -     0.13 -  
319 783 - 22.3 323   -  
676 - 43 34.2   143 112

Heat Treatment of steel grade 30 CrNiMo 5 5

Heat treated : 1756°C - 1196°C

Technological Curves of steel grade 30 CrNiMo 5 5

Cross Reference Table (Equivalent Grade) of 30 CrNiMo 5 5

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