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Germany SEW Ck35 Steels for larger forgings; quality regulations and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Ck35 / Ck 35
Category Grade Standard Region/Area Standard Content
Metals Ck 35 SEW 550 Germany Steels for larger forgings; quality regulations

Chemical composition(mass fraction)(wt.%) of the Ck 35

Element Min Max Similar
Si - 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.5000 0.8000 -
C 0.3200 0.3900 -

Mechanical Properties of steel grade Ck 35

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)
445 (≥) 826 (≥) 12 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade Ck 35

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
21 - -     0.12 -  
859 137 - 44.3 341   -  
943 - 42 32.2   211 444

Heat Treatment of steel grade Ck 35

Heat treated : 1377°C - 1286°C

Technological Curves of steel grade Ck 35

Cross Reference Table (Equivalent Grade) of Ck 35

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