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C40R

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C40E C45E
#C40R

Description

Spain UNE C40R Spain structural alloy steel and C40R Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: C40R
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel C40R UNE Spain Spain structural alloy steel
51CrV4
C22E
C22R
C25E
C25R
C30E
C30R
C35E
C35R
C40E

Chemical composition(mass fraction)(wt.%) of the C40R

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.37-0.44 0.4 0.50-0.80 0.035 020-0.040 0.40 0.40 0.10

Mechanical Properties of steel grade C40R

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)
551 (≥) 451 (≥) 24 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade C40R

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 - -     0.31 -  
795 479 - 32.3 332   -  
459 - 34 43.2   423 144

Heat Treatment of steel grade C40R

Heat treated : 1229°C - 1681°C

Technological Curves of steel grade C40R

Cross Reference Table (Equivalent Grade) of C40R

Grade Standard Country Application
C40R UNE Spain Spain structural alloy steel
EN C40R EN Euronorm Euronorm Structural steel
C40E C45E
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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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