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Germany DIN C55Pb Free-cutting steels; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C55Pb / C 55 Pb
Category Grade Standard Region/Area Standard Content
Metals C 55 Pb DIN 1651 Germany Free-cutting steels; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the C 55 Pb

Element Min Max Similar

Mechanical Properties of steel grade C 55 Pb

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)
191 (≥) 283 (≥) 34 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade C 55 Pb

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
12 - -     0.41 -  
966 995 - 23.3 211   -  
494 - 44 42.2   431 444

Heat Treatment of steel grade C 55 Pb

Heat treated : 1667°C - 1258°C

Technological Curves of steel grade C 55 Pb

Cross Reference Table (Equivalent Grade) of C 55 Pb

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