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Z25CNWS20-09

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Z20CN21-12Az Z35CNWS14-14
#Z25CNWS20-09

Description

France AFNOR Z25CNWS20-09 Steel Exhaust Valves and Z25CNWS20-09 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: Z25CNWS20-09
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel Z25CNWS20-09 AFNOR France Steel Exhaust Valves
Z12CKNDWNb21-20-20
Z20CN21-12Az
NiFe25Cr20NbTi
2.4955
Fe-Ni36
45SiCr90
45WNiCrl80
53NNiMnCr210
80SiNiCr200
80SiNiMoWCr15

Chemical composition(mass fraction)(wt.%) of the Z25CNWS20-09

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%)
0.20-0.30 0.75-1.50 Max 2.00 Max 0.040 Max 0.030 19.5-21.5 8.50-10.5 0.15-0.25

Mechanical Properties of steel grade Z25CNWS20-09

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)
538 (≥) 359 (≥) 23 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade Z25CNWS20-09

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
14 - -     0.42 -  
968 812 - 33.3 424   -  
565 - 33 33.2   112 233

Heat Treatment of steel grade Z25CNWS20-09

Heat treated : 1339°C - 1443°C

Technological Curves of steel grade Z25CNWS20-09

Cross Reference Table (Equivalent Grade) of Z25CNWS20-09

Grade Standard Country Application
Z25CNWS20-09 AFNOR France Steel Exhaust Valves
Z20CN21-12Az Z35CNWS14-14
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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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