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EN C70U

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EN C45U EN CHOU
#C70U

Description

Euronorm EN EN C70U Euronorm Tool steel and EN C70U Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: EN C70U
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy EN C70U EN Euronorm Euronorm Tool steel
419830
419850
419851
419852
419855
419856
419857
419858
419861
EN C45U

Chemical composition(mass fraction)(wt.%) of the EN C70U

C(％) Si(％) Mn(％) P(％) S(％)
0.65-0.75 0.10-0.30 0.10-0.40 0.030 0.030

Mechanical Properties of steel grade EN C70U

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)
899 (≥) 737 (≥) 21 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade EN C70U

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
13 - -     0.31 -  
479 554 - 44.3 141   -  
411 - 42 22.2   441 331

Heat Treatment of steel grade EN C70U

Heat treated : 1636°C - 1581°C

Technological Curves of steel grade EN C70U

Cross Reference Table (Equivalent Grade) of EN C70U

Grade Standard Country Application
C70U ISO ISO Carbide for cutting tools
C70U ISO ISO Carbide for cutting tools
C70U UNE Spain Spain structural alloy steel
EN C70U EN Euronorm Euronorm Tool steel
EN C45U EN CHOU
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