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EN C78D

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EN C76D EN C80D
#C78D

Description

Euronorm EN EN C78D Euronorm Structural steel and EN C78D Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN C78D
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN C78D EN Euronorm Euronorm Structural steel
EN C52D
EN C56D
EN C5SD
EN C60D
EN C62D
EN C66D
EN C68D
EN C70D
EN C72D
EN C76D

Chemical composition(mass fraction)(wt.%) of the EN C78D

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.75-0.80 0.10-0.30 0.50-0.80 0.035 0.035 0.15 0.20 0.05

Mechanical Properties of steel grade EN C78D

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)
693 (≥) 427 (≥) 34 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade EN C78D

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
24 - -     0.11 -  
428 566 - 42.3 141   -  
539 - 24 11.2   412 422

Heat Treatment of steel grade EN C78D

Heat treated : 1667°C - 1248°C

Technological Curves of steel grade EN C78D

Cross Reference Table (Equivalent Grade) of EN C78D

Grade Standard Country Application
EN C78D EN Euronorm Euronorm Structural steel
EN C78D2 EN Euronorm Euronorm Structural steel
EN C76D EN C80D
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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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