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X53CrMnNiNbN21-9

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1.4882 1.4870
#X53CrMnNiNbN21-9

Description

France AFNOR X53CrMnNiNbN21-9 Valve Internal Combustion Engines steel (NF-EN 1009-1998) and X53CrMnNiNbN21-9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: X53CrMnNiNbN21-9
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel X53CrMnNiNbN21-9 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
1.4731
1.4718
X33CrNiMnN23-8
1.4866
X53CrMnNiN21-9
1.4871
X55CrMnNiN20-8
1.4875
X50CrMnNiNbN21-9
1.4882

Chemical composition(mass fraction)(wt.%) of the X53CrMnNiNbN21-9

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) N(%) Other(%)
0.48-0.58 Max 0.45 8.00-10.0 Max 0.045 Max 0.030 20.0-22.0 3.25-4.50 0.38-0.50 C+N Max 0.90

Mechanical Properties of steel grade X53CrMnNiNbN21-9

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)
997 (≥) 644 (≥) 41 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade X53CrMnNiNbN21-9

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
31 - -     0.34 -  
914 553 - 43.3 122   -  
647 - 31 34.2   311 123

Heat Treatment of steel grade X53CrMnNiNbN21-9

Heat treated : 1838°C - 1645°C

Technological Curves of steel grade X53CrMnNiNbN21-9

Cross Reference Table (Equivalent Grade) of X53CrMnNiNbN21-9

Grade Standard Country Application
X53CrMnNiNbN21-9 DIN Germany Valve steel
X53CrMnNiNbN21-9 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X53CrMnNiNbN21 9 ISO ISO ISO standard valve austenite steel
EN X53CrMnNiNbN21-9 EN Euronorm Euronorm Stainless Steel
1.4882 1.4870
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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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