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NC15Fe7TA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NC15Fe7TA

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AFNOR NC15Fe7TA

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This page is mainly introduced the NC15Fe7TA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NC15Fe7TA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Valve steels and alloys for internal combustion engines

Steel Garde:NC15Fe7TA
Type:Stainless Steels
Country:France
Standard:AFNOR
Standard Number:

ITEM Standard Number Descriptions

1 NF A 35-579 Valve steels and alloys for internal combustion engines
Application:Valve steels and alloys for internal combustion engines

ITEM	Standard Number	Descriptions
1	NF A 35-579	Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.80
Si		0.50
Mn		1.00
P		0.015
S		0.015
Cr	14.00	17.00
Ni		remaining
Mo		0.50
Fe	5.00	9.00
Al	0.40	1.00
Ti	2.25	2.75
Nb+Ta	0.70	1.20
Co		1.00
Cu		0.50

Mechanical Properties

Tensile strength	431～841	σb/MPa
Yield Strength	341	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	225～147	-
HRC	30	-

Physical Properties

Thermal expansion	69-90	e-6/K
Thermal conductivity	25-91	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6920-4394	째C
Density	5656-4216	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)
NC15Fe7TA Stainless Steels	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