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NC20TA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NC20TA

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AFNOR NC20TA

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This page is mainly introduced the NC20TA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NC20TA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
NC20TA

Steel Garde:NC20TA
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Steel Exhaust Valves

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	681～818	σb/MPa
Yield Strength	790	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	736～616	-
HRC	30	-

Physical Properties

Thermal expansion	36-42	e-6/K
Thermal conductivity	62-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9670-0516	째C
Density	8836-1270	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
NC20TA Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk