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EN C70D

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EN C68D EN C72D
#C70D

Description

Euronorm EN EN C70D Euronorm Structural steel and EN C70D Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN C70D
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN C70D EN Euronorm Euronorm Structural steel
EN C42D
EN C4SD
EN C50D
EN C52D
EN C56D
EN C5SD
EN C60D
EN C62D
EN C66D
EN C68D

Chemical composition(mass fraction)(wt.%) of the EN C70D

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.68-0.73 0.10-0.30 0.50-0.80 0.035 0.035 0.15 0.20 0.05

Mechanical Properties of steel grade EN C70D

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)
436 (≥) 812 (≥) 44 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade EN C70D

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
31 - -     0.14 -  
958 341 - 33.3 122   -  
259 - 22 44.2   422 222

Heat Treatment of steel grade EN C70D

Heat treated : 1878°C - 1833°C

Technological Curves of steel grade EN C70D

Cross Reference Table (Equivalent Grade) of EN C70D

Grade Standard Country Application
EN C70D EN Euronorm Euronorm Structural steel
EN C70D2 EN Euronorm Euronorm Structural steel
EN C68D EN C72D
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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