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X45CrSi9-3

Favorite Datasheet
NC20TA 1.4718
#X45CrSi9-3 #1-4718

Description

France AFNOR NF EN 10090, X45CrSi9-3 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X45CrSi9-3
Category Class Grade Standard Country Application
Steel GradesSpecialsteel X45CrSi9-3 AFNOR France Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X45CrSi9-3

C Si Mn P S Cr Ni Mo
0.40 -0.50 2.70 -3.30 ≤0.60 ≤0.040 ≤0.030 8.00 -10.00 ≤0.50 ≤ ≥

Mechanical Properties of steel grade X45CrSi9-3

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)
721 (≥) 451 (≥) 24 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade X45CrSi9-3

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
12 - -     0.44 -  
196 385 - 42.3 123   -  
878 - 31 44.2   344 234

Heat Treatment of steel grade X45CrSi9-3

Heat treated : 1771°C - 1913°C

Technological Curves of steel grade X45CrSi9-3

Cross Reference Table (Equivalent Grade) of X45CrSi9-3

Grade Standard Country Application
X45CrSi9-3

Relevant standard of X45CrSi9-3

NF EN 10090 Valve steels and alloys for internal combustion engines NF-EN-10090.pdf
NC20TA 1.4718
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