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X50CrMnNiNbN21-9

Favorite Datasheet
1.4875 1.4882 / X50CrMnNiNbN-21-9 steel strip
#X50CrMnNiNbN21-9 #1-4882

Description

France AFNOR NF EN 10090, X50CrMnNiNbN21-9 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X50CrMnNiNbN21-9
Category Class Grade Standard Country Application
Steel GradesSpecialsteel X50CrMnNiNbN21-9 AFNOR France Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X50CrMnNiNbN21-9

C Si Mn P S Cr Ni Mo N W
0.45 -0.55 ≤0.45 8.00 -10.00 ≤0.045 ≤0.030 20.00 -22.00 3.50 -5.50 ≤ ≥ 0.40 -0.60 0.80 -1.50

Mechanical Properties of steel grade X50CrMnNiNbN21-9

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)
541 (≥) 243 (≥) 24 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade X50CrMnNiNbN21-9

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
41 - -     0.23 -  
562 698 - 24.3 142   -  
197 - 43 13.2   234 123

Heat Treatment of steel grade X50CrMnNiNbN21-9

Heat treated : 1378°C - 1472°C

Technological Curves of steel grade X50CrMnNiNbN21-9

Cross Reference Table (Equivalent Grade) of X50CrMnNiNbN21-9

Grade Standard Country Application
X50CrMnNiNbN21-9
X50CrMnNiNbN21-9

Relevant standard of X50CrMnNiNbN21-9

NF EN 10090 Valve steels and alloys for internal combustion engines NF-EN-10090.pdf
1.4875 1.4882 / X50CrMnNiNbN-21-9 steel strip
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Jiangyou Longhai Special Steel Co.,Ltd.
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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