NC20TA

This page provides NC20TA datasheet, NC20TA mechanical properties, chemical element NC20TA, technical specifications of NC20TA steel material properties. NC20TA performance specifications.

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
Datasheet for:Steel Grades:Valve Steel:NC20TA

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 / Mechanische Eigenschaften / Caracteristiques mecaniques of 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)
452 (≥) 867 (≥) 43 22 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
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
12 - -     0.22 -  
671 299 - 43.3 431   -  
848 - 33 14.2   231 211
Heat treated : 1986°C - 1525°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
NC20TA AFNOR France
Steel Exhaust Valves
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NC20TA can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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