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Z25CNWS20-09

Favorite Datasheet
Z20CN21-12Az Z35CNWS14-14
#Z25CNWS20-09

Description

France AFNOR NF A 35-579, Z25CNWS20-09 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Z25CNWS20-09
Category Class Grade Standard Country Application
Steel GradesSpecialsteel Z25CNWS20-09 AFNOR France Valve steels and alloys for internal combustion engines

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

C Si Mn P S Cr Ni Mo N
0.20 -0.30 0.75 -1.50 ≤2.00 ≤0.040 ≤0.030 19.50 -21.50 8.50 -10.50 ≤ ≥ 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)
884 (≥) 472 (≥) 34 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

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
43 - -     0.21 -  
323 131 - 21.3 313   -  
339 - 23 21.2   424 221

Heat Treatment of steel grade Z25CNWS20-09

Heat treated : 1115°C - 1435°C

Technological Curves of steel grade Z25CNWS20-09

Cross Reference Table (Equivalent Grade) of Z25CNWS20-09

Grade Standard Country Application
Z25CNWS20-09

Relevant standard of Z25CNWS20-09

NF A 35-579 Valve steels and alloys for internal combustion engines NF-A-35-579.pdf
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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