Z 55 CMN 20.08 Az

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France AFNOR NF Z55CMN20.08Az Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z55CMN20.08Az / Z 55 CMN 20.08 Az

Category	Grade	Standard	Region/Area	Standard Content
Metals	Z 55 CMN 20.08 Az	NF A35-579	France	Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the Z 55 CMN 20.08 Az

Element	Min	Max	Similar
W	-	0.5000	-
Si	-	0.2500	-
S	-	0.0300	-
P	-	0.0400	-
Ni	1.5000	2.7500	-
N	0.2000	0.4000	-
Mo	-	0.5000	-
Mn	7.0000	10.0000	-
Cr	19.5000	21.5000	-
C	0.5000	0.6000	-

Mechanical Properties of steel grade Z 55 CMN 20.08 Az

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
541 (≥)	354 (≥)	42	23	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	432

Physical Properties of steel grade Z 55 CMN 20.08 Az

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	-	-			0.32	-
712	167	-	42.3	433		-
653	-	41	41.2			332	141

Heat Treatment of steel grade Z 55 CMN 20.08 Az

Heat treated : 1918°C - 1873°C

Technological Curves of steel grade Z 55 CMN 20.08 Az

No Curve

Cross Reference Table (Equivalent Grade) of Z 55 CMN 20.08 Az

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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