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NCF 718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 718

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JIS NCF 718

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This page is mainly introduced the NCF 718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 718,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Corrosion-resisting and heat-resisting superalloy plates and sheets

Steel Garde:NCF 718
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4902 (1991) Corrosion-resisting and heat-resisting superalloy plates and sheets
Application:Corrosion-resisting and heat-resisting superalloy plates and sheets

ITEM	Standard Number	Descriptions
1	G 4902 (1991)	Corrosion-resisting and heat-resisting superalloy plates and sheets

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
NCF 718	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		0.35
Mn		0.35
P		0.015
S		0.015
Cr	17.00	21.00
Ni	50.00	55.00
Cu		0.30
Al	0.20	0.80
Ti	0.65	1.15
Fe	remaining
Nb+Ta	4.75	5.50
Mo	2.80	3.30
B		0.006

Mechanical Properties

Tensile strength	171～912	σb/MPa
Yield Strength	137	σ 0.2 ≥/MPa
Elongation	76	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	508～493	-
HRC	30	-

Physical Properties

Thermal expansion	94-82	e-6/K
Thermal conductivity	59-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5565-8907	째C
Density	6392-5310	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)
NCF 718 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