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Description

France AFNOR Z45CS9 Steel Exhaust Valves and Z45CS9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: Z45CS9
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel Z45CS9 AFNOR France Steel Exhaust Valves
Z12CKNDWNb21-20-20
Z20CN21-12Az
Z25CNWS20-09
Z35CNWS14-14
Z40CSD10
Z45CNW18-09
45WNiCrl80
53NNiMnCr210
80SiNiCr200
80SiNiMoWCr15

Chemical composition(mass fraction)(wt.%) of the Z45CS9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%)
0.40-0.50 2.70-3.30 Max 0.80 Max 0.040 Max 0.030 8.00-10.0

Mechanical Properties of steel grade Z45CS9

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)
776 (≥) 917 (≥) 11 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade Z45CS9

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
33 - -     0.12 -  
318 325 - 21.3 224   -  
897 - 31 33.2   334 332

Heat Treatment of steel grade Z45CS9

Heat treated : 1955°C - 1958°C

Technological Curves of steel grade Z45CS9

Cross Reference Table (Equivalent Grade) of Z45CS9

Grade Standard Country Application
Z45CS9 AFNOR France Steel Exhaust Valves

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