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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)
989 (≥) 368 (≥) 21 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

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
33 - -     0.12 -  
421 158 - 41.3 322   -  
584 - 34 42.2   343 224

Heat Treatment of steel grade C 55 Pb

Heat treated : 1673°C - 1288°C

Technological Curves of steel grade C 55 Pb

Cross Reference Table (Equivalent Grade) of C 55 Pb

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