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

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AMS Inconel 718

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

Steel Garde:Inconel 718
Type:Superalloys
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	SAE AMS 5589F (2013)	Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated
2	SAE AMS 5590F (2010)	Nickel Alloy, Corrosion and Heat Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted 1950°F (1066°C) Solution Heat Treated
3	SAE AMS 5597F (2009)	Nickel Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted 1950°F (1066°C) Solution Heat Treated
4	SAE AMS 5664E (2006)	Nickel Alloy, Corrosion and Heat Resistant, Bars, Forgings, and Rings 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted 1950°F (1066°C) Solution Heat Treated, Precipitation Hardenable
5	SAE AMS 5832G (2010)	Nickel Alloy, Corrosion and Heat Resistant, Welding Wire 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted
6	SAE AMS 5917 (2011)	Metal Injection Molded Nickel Based, Alloy 718 Parts, Hot Isostatically Pressed, Solutioned and Aged

Application:Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated

Relevant products:

UNS NO7718/ Inco...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
2.4668	DIN	Germany
NiCr19Fe19Nb5Mo3	DIN	Germany
A 1014 N07718	ASTM	USA
B 637 N07718	ASTM	USA
B 670 N07718	ASTM	USA
B 983 N07718	ASTM	USA
N07718	UNS	USA
Inconel 718	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Cr	17.0	21.0
Mo	2.80	3.30
Ni	50.0	55.0
Al	0.20	0.60
Nb	4.75	5.50
Fe		Bal
Si		0.35
Mn		0.35
P		0.015
S		0.015
B		0.006

Mechanical Properties

Tensile strength	437～942	σb/MPa
Yield Strength	646	σ 0.2 ≥/MPa
Elongation	84	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	313～484	-
HRC	30	-

Physical Properties

Thermal expansion	96-80	e-6/K
Thermal conductivity	19-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8708-7923	째C
Density	4274-1068	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)
Inconel 718 Superalloys	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