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Z55CMN20-08Az

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Z53CMNS21-09Az Z60CMDVNb21-10Az
#Z55CMN20-08Az

Description

France AFNOR NF A 35-579, Z55CMN20-08Az Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Z55CMN20-08Az
Category Class Grade Standard Country Application
Steel GradesSpecialsteel Z55CMN20-08Az AFNOR France Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the Z55CMN20-08Az

C Si Mn P S Cr Ni Mo N
0.50 -0.60 ≤0.25 7.00 -10.00 ≤0.040 ≤0.030 19.50 -21.50 1.50 -2.75 ≤ ≥ 0.20 -0.40

Mechanical Properties of steel grade Z55CMN20-08Az

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)
479 (≥) 839 (≥) 24 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade Z55CMN20-08Az

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
44 - -     0.13 -  
654 462 - 11.3 131   -  
421 - 32 21.2   441 313

Heat Treatment of steel grade Z55CMN20-08Az

Heat treated : 1222°C - 1767°C

Technological Curves of steel grade Z55CMN20-08Az

Cross Reference Table (Equivalent Grade) of Z55CMN20-08Az

Grade Standard Country Application
Z55CMN20-08Az

Relevant standard of Z55CMN20-08Az

NF A 35-579 Valve steels and alloys for internal combustion engines NF-A-35-579.pdf
Z53CMNS21-09Az Z60CMDVNb21-10Az
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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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