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X53CrMnNiN21-9

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X55CrMnNiN20-8 X50CrMnNiNbN21-9
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Description

International ISO ISO 683-15 (1992), X53CrMnNiN21-9 Specialsteel Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X53CrMnNiN21-9
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X53CrMnNiN21-9 Austenite ISO International Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X53CrMnNiN21-9

C Si Mn P S Cr Mo Ni N
0.48 -0.58 ≤0.25 8.00 -10.00 ≤0.050 ≤0.030 20.00 -22.00 ≤ ≥ 3.25 -4.50 0.35 -0.50

Mechanical Properties of steel grade X53CrMnNiN21-9

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)
155 (≥) 487 (≥) 13 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade X53CrMnNiN21-9

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
22 - -     0.33 -  
832 343 - 22.3 233   -  
965 - 12 23.2   313 223

Heat Treatment of steel grade X53CrMnNiN21-9

Heat treated : 1516°C - 1219°C

Technological Curves of steel grade X53CrMnNiN21-9

Cross Reference Table (Equivalent Grade) of X53CrMnNiN21-9

Grade Standard Country Application
X53CrMnNiN21-9
X53CrMnNiN21-9

Relevant standard of X53CrMnNiN21-9

ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines ISO-683-15-(1992).pdf
X55CrMnNiN20-8 X50CrMnNiNbN21-9
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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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