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ISO X53CrMnNiNbN21 9

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ISO X50CrMnNiNbN21 9 ISO X33CrNiMnN23 3
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Description

ISO ISO ISO X53CrMnNiNbN21 9 ISO standard valve austenite steel and ISO X53CrMnNiNbN21 9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO X53CrMnNiNbN21 9
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO X53CrMnNiNbN21 9 ISO ISO ISO standard valve austenite steel
ISO NiCr20Ti
ISO H21
ISO H22
ISO NiCr22Mo9Nb
ISO X50CrSi8 2
ISO X45CrSi9 3
ISO X85CrMoV18 2
ISO X55CrMnNiN20 8
ISO X53CrMnNiN21 9
ISO X50CrMnNiNbN21 9

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) N(%) Other(%)
0.48-0.58 Max 0.45 8.00-10.0 Max 0.05 Max 0.03 20.0-22.0 3.25-4.50 0.80-1.50 0.38-0.50 C+N≥0.90,Nb+Ta 2.00-3.00

Mechanical Properties of steel grade ISO 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)
978 (≥) 658 (≥) 34 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade ISO 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
14 - -     0.33 -  
945 947 - 41.3 133   -  
819 - 44 41.2   323 211

Heat Treatment of steel grade ISO X53CrMnNiNbN21 9

Heat treated : 1739°C - 1726°C

Technological Curves of steel grade ISO X53CrMnNiNbN21 9

Cross Reference Table (Equivalent Grade) of ISO 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
ISO X50CrMnNiNbN21 9 ISO X33CrNiMnN23 3
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