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EN C40

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EN C35E EN C45
#C40

Description

Euronorm EN EN C40 Euronorm Structural steel and EN C40 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN C40
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN C40 EN Euronorm Euronorm Structural steel
EN P305GH
EN X10CrMoVNb9-1
EN 20Mn5
EN 28Mn
EN C22
EN C25
EN C25E
EN C30
EN C35
EN C35E

Chemical composition(mass fraction)(wt.%) of the EN C40

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.37-0.44 0.40 0.50 -0.80 0-045 0.045 0.40 0.40 0.10

Mechanical Properties of steel grade EN C40

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)
798 (≥) 254 (≥) 14 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade EN C40

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
14 - -     0.22 -  
314 346 - 31.3 211   -  
925 - 44 33.2   134 343

Heat Treatment of steel grade EN C40

Heat treated : 1724°C - 1856°C

Technological Curves of steel grade EN C40

Cross Reference Table (Equivalent Grade) of EN C40

Grade Standard Country Application
OLC40 STAS/SR Romania Structural steel
OLC40S STAS/SR Romania Structural steel
OLC40X STAS/SR Romania Structural steel
OLC40XS STAS/SR Romania Structural steel
C40E UNE Spain Spain structural alloy steel
C40R UNE Spain Spain structural alloy steel
RC40 ONORM Austria Austrian structural steel
EN C40E EN Euronorm Euronorm Structural steel
EN C40R EN Euronorm Euronorm Structural steel
EN C40 EN Euronorm Euronorm Structural steel
EN C40D2 EN Euronorm Euronorm Structural steel
EN C40 EN Euronorm Euronorm Structural steel
EN C35E EN C45
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