INCONEL alloy 718

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#INCONEL #alloy #718

Description

INCONEL alloy 718 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: INCONEL alloy 718

Category	Type	Steel Grade
Steel Grades	High Alloy	INCONEL alloy 718
		INCONEL alloy 617
		INCONEL alloy 625
		INCONEL alloy 625 LCF
		INCONEL alloy 686
		INCONEL alloy 690
		INCONEL alloy 693
		INCONEL alloy 700
		INCONEL alloy 702
		INCONEL alloy 705
		INCONEL alloy 706

Chemical composition(mass fraction)(wt.%) of the INCONEL alloy 718

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04	0.35	0.35			19	52.5
Mo	Al	Cu	Nb	Ti	V	Ce
3	0.9	≤0.1	5.1	0.9
N	Co	Pb	B	Other
			≤0.006	Fe 19

Mechanical Properties of steel grade INCONEL alloy 718

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
925 (≥)	788 (≥)	43	12	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	224

Physical Properties of steel grade INCONEL alloy 718

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
34	-	-			0.14	-
856	152	-	41.3	323		-
649	-	34	34.2			131	122

Heat Treatment of steel grade INCONEL alloy 718

Heat treated : 1625°C - 1158°C

Technological Curves of steel grade INCONEL alloy 718

No Curve

Cross Reference Table (Equivalent Grade) of INCONEL alloy 718

Grade	Standard	Country	Application
Vicalloy	AISI	USA	Martensitic special steel
Alloy 52	SAE	USA	Alloy 52 is a 50.50% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. The alloy’s rate of thermal expansion is virtually constant to a temperature of about 1050°F (565°C).
Alloy 713C	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
Alloy 713LC	ASTM	USA	HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
1.2718	DIN	Germany	Cold working alloy tool steel
1.4718	DIN	Germany	Valve steel
NCF718	JIS	Japan	ferritic stainless steel
1.4718	AFNOR	France	Valve Internal Combustion Engines steel (NF-EN 1009-1998)
VAT 718			Brazil Stainless steel

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