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NC20TA

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NC15Fe7TA X45CrSi9-3
#NC20TA

Description

France AFNOR NC20TA Steel Exhaust Valves and NC20TA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: NC20TA
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel NC20TA AFNOR France Steel Exhaust Valves
Z45CS9
Z50CMNNb21-09-02Az
Z53CMN21-09Az
Z53CMNNb21-09-02Az
Z53CMNS21-09Az
Z55CMN20-08Az
Z60CMDVNb21-10Az
Z80CNS20-02
Z85CDV18-02
NC15Fe7TA

Chemical composition(mass fraction)(wt.%) of the NC20TA

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 Remain 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 NC20TA

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)
573 (≥) 988 (≥) 13 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade NC20TA

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
42 - -     0.32 -  
969 496 - 42.3 114   -  
527 - 33 23.2   433 231

Heat Treatment of steel grade NC20TA

Heat treated : 1688°C - 1875°C

Technological Curves of steel grade NC20TA

Cross Reference Table (Equivalent Grade) of NC20TA

Grade Standard Country Application
NC20TA AFNOR France Steel Exhaust Valves
NC15Fe7TA X45CrSi9-3
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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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