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Description

C40E Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: C40E
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel C40E
1.1158
1.1163
C30E
Ck30
1.1178
1.1179
C35E
1.1181
Ck35
1.1180

Chemical composition(mass fraction)(wt.%) of the C40E

 

C
Si
Mn
P
S
Cr Ni
0.37-0.44 0.40  0.50-0.80  0.030  0.035     
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
        Cr+Ni+Mo ≤ 0.63    
             

Mechanical Properties of steel grade C40E

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)
833 (≥) 716 (≥) 31 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade C40E

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
22 - -     0.13 -  
842 892 - 21.3 143   -  
523 - 13 43.2   431 244

Heat Treatment of steel grade C40E

Heat treated : 1745°C - 1649°C

Technological Curves of steel grade C40E

Cross Reference Table (Equivalent Grade) of C40E

Grade Standard Country Application
C40E Spain structural alloy steel
EN C40E EN Euronorm Structural steel

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