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X40CrSiMo10-2

Favorite Datasheet
1.4718 1.4731
#X40CrSiMo10-2 #1-4731

Description

France AFNOR NF EN 10090, X40CrSiMo10-2 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X40CrSiMo10-2
Category Class Grade Standard Country Application
Steel GradesSpecialsteel X40CrSiMo10-2 AFNOR France Valve steels and alloys for internal combustion engines

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 ≤0.80 ≤0.040 ≤0.030 9.50 -11.50 ≤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)
571 (≥) 486 (≥) 14 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

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
42 - -     0.24 -  
264 991 - 33.3 441   -  
629 - 34 21.2   421 131

Heat Treatment of steel grade X40CrSiMo10-2

Heat treated : 1828°C - 1561°C

Technological Curves of steel grade X40CrSiMo10-2

Cross Reference Table (Equivalent Grade) of X40CrSiMo10-2

Grade Standard Country Application
X40CrSiMo10-2
X40CrSiMo10-2

Relevant standard of X40CrSiMo10-2

NF EN 10090 Valve steels and alloys for internal combustion engines NF-EN-10090.pdf
1.4718 1.4731
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