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X40CrSiMo10-2

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X45CrSi9-3 1.4731
#X40CrSiMo10-2

Description

France AFNOR X40CrSiMo10-2 Valve Internal Combustion Engines steel (NF-EN 1009-1998) and X40CrSiMo10-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: X40CrSiMo10-2
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel X40CrSiMo10-2 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
Z53CMN21-09Az
Z53CMNNb21-09-02Az
Z53CMNS21-09Az
Z55CMN20-08Az
Z60CMDVNb21-10Az
Z80CNS20-02
Z85CDV18-02
NC15Fe7TA
NC20TA
X45CrSi9-3

Chemical composition(mass fraction)(wt.%) of the X40CrSiMo10-2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 2.00-3.00 Max 0.80 Max 0.040 Max 0.030 9.50-11.5 Max 0.50 0.80-1.30

Mechanical Properties of steel grade X40CrSiMo10-2

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)
861 (≥) 412 (≥) 32 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade X40CrSiMo10-2

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 - -     0.21 -  
419 413 - 13.3 231   -  
431 - 12 14.2   121 243

Heat Treatment of steel grade X40CrSiMo10-2

Heat treated : 1867°C - 1162°C

Technological Curves of steel grade X40CrSiMo10-2

Cross Reference Table (Equivalent Grade) of X40CrSiMo10-2

Grade Standard Country Application
X40CrSiMo10-2 DIN Germany Valve steel
X40CrSiMo10-2 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
EN X40CrSiMo10-2 EN Euronorm Euronorm Stainless Steel
X45CrSi9-3 1.4731
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Jiangyou Longhai Special Steel Co.,Ltd.

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