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NiCr20TiAI

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1.4748 2.4952
#NiCr20TiAI

Description

France AFNOR NiCr20TiAI Valve Internal Combustion Engines steel (NF-EN 1009-1998) and NiCr20TiAI Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: NiCr20TiAI
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel NiCr20TiAI AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
X53CrMnNiN21-9
1.4871
X55CrMnNiN20-8
1.4875
X50CrMnNiNbN21-9
1.4882
X53CrMnNiNbN21-9
1.4870
X85CrMoV18-2
1.4748

Chemical composition(mass fraction)(wt.%) of the NiCr20TiAI

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Co(%) B(%) Al(%) Ti(%) Other(%)
0.04-0.10 Max 1.00 Max 1.00 Max 0.020 Max 0.015 18.0-21.0 Max 65.0 Max 0.20 Max 2.00 Max 0.008 1.00-1.80 1.80-2.70 Fe Max 3.00

Mechanical Properties of steel grade NiCr20TiAI

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)
961 (≥) 163 (≥) 24 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade NiCr20TiAI

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
32 - -     0.14 -  
663 956 - 24.3 223   -  
322 - 13 34.2   422 341

Heat Treatment of steel grade NiCr20TiAI

Heat treated : 1586°C - 1288°C

Technological Curves of steel grade NiCr20TiAI

Cross Reference Table (Equivalent Grade) of NiCr20TiAI

Grade Standard Country Application
NiCr20TiAI AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
NiCr20TiAI AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
1.4748 2.4952
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Jiangyou Longhai Special Steel Co.,Ltd.

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