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Germany DIN Cq35 Cold heading and cold extruding steels; technical delivery conditions for steels for quenching and tempering and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Cq35 / Cq 35
Category Grade Standard Region/Area Standard Content
Metals Cq 35 DIN 1654-4 Germany Cold heading and cold extruding steels; technical delivery conditions for steels for quenching and tempering

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

Element Min Max Similar

Mechanical Properties of steel grade Cq 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)
827 (≥) 553 (≥) 33 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade Cq 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
34 - -     0.43 -  
845 945 - 42.3 341   -  
275 - 14 44.2   113 421

Heat Treatment of steel grade Cq 35

Heat treated : 1886°C - 1312°C

Technological Curves of steel grade Cq 35

Cross Reference Table (Equivalent Grade) of Cq 35

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