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C40E

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C35R C40R
#C40E

Description

Spain UNE C40E Spain structural alloy steel and C40E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: C40E
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel C40E UNE Spain Spain structural alloy steel
50CrMo4
51CrV4
C22E
C22R
C25E
C25R
C30E
C30R
C35E
C35R

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.37-0.44 0.4 0.50-0.80 0.035 0.035 0.40 0.40 0.10

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)
478 (≥) 466 (≥) 41 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

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
21 - -     0.32 -  
287 545 - 23.3 134   -  
258 - 32 41.2   411 433

Heat Treatment of steel grade C40E

Heat treated : 1993°C - 1235°C

Technological Curves of steel grade C40E

Cross Reference Table (Equivalent Grade) of C40E

Grade Standard Country Application
C40E UNE Spain Spain structural alloy steel
EN C40E EN Euronorm Euronorm Structural steel
C35R C40R
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Jiangyou Longhai Special Steel Co.,Ltd.

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