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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	205～284	σb/MPa
Yield Strength	885	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	733～795	-
HRC	30	-

Physical Properties

Thermal expansion	75-62	e-6/K
Thermal conductivity	14-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4469-7229	째C
Density	3532-7101	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