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C 40 Pb / C40GPb

Germany DIN C40Pb/C40GPb Free-cutting steels; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C40Pb/C40GPb / C 40 Pb / C40GPb
Category Grade Standard Region/Area Standard Content
Metals C 40 Pb / C40GPb DIN 1651 Germany Free-cutting steels; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the C 40 Pb / C40GPb

Element Min Max Similar

Mechanical Properties of steel grade C 40 Pb / C40GPb

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)
722 (≥) 923 (≥) 32 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade C 40 Pb / C40GPb

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 - -     0.11 -  
379 274 - 43.3 443   -  
328 - 32 21.2   241 432

Heat Treatment of steel grade C 40 Pb / C40GPb

Heat treated : 1394°C - 1447°C

Technological Curves of steel grade C 40 Pb / C40GPb

Cross Reference Table (Equivalent Grade) of C 40 Pb / C40GPb

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