C55W

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C55W

Germany DIN C55W Carbon tool steel and C55W Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Type Steel Grade Standard Country Application
Steel Grades Tool Steel And Hard Alloy C55W DIN Germany Carbon tool steel
C105W2
1.1645
C45W
1.1730
C60W
1.1740
C67W
1.1744
C75W
1.1750


Chemical composition(mass fraction)(wt.%) of the C55W

C(％) Si(％) Mn(％) P(％) S(％)
0.50-0.58 Max 0.15 0.30-0.50 Max 0.030 Max 0.030



Mechanical Properties of steel grade C55W

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)
868 (≥) 672 (≥) 12 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade C55W

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 – –     0.14 –  
133 496 – 23.3 123   –  
796 – 22 24.2   214 322

Heat Treatment of steel grade C55W

Heat treated : 1921°C – 1944°C

Technological Curves of steel grade C55W

Cross Reference Table (Equivalent Grade) of C55W

Grade Standard Country Application
C55W DIN Germany Carbon tool steel