N07718 Inconel 718 - ASTM B670-2007(R2013)

USA UNS	N07718
Other Names
Corresponding Standard	ASTM B670-2007(R2013) Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
Classification	Nickel and Nickel Alloys

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	B	Co	Al	Cb ^*	More
Minimum Value	-	-	-	-	-	17	50	-	2.8	0.65	-	-	0.2	4.75	Fe:Remainder
Maximum Value	0.08	0.35	0.35	0.015	0.015	21	55	0.3	3.3	1.15	0.006	1	0.8	5.5	Fe:Remainder

Mechanical Properties

thickness t mm	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤25.4	Room Temperature	Precipitation Hardening	≥1241	≥1034	≥12
25.4＜t≤57.2	Room Temperature	Precipitation Hardening	≥1241	≥1034	≥10
t≤0.38①		Precipitation Hardening	655 MPa, Maintain for at least 23 hours ①		-
0.38＜t≤0.64①		Precipitation Hardening	655 MPa, Maintain for at least 23 hours ①		① ≥4
0.64＜t≤38.1①		Precipitation Hardening	690MPa at least 23h①		① ≥4

1 Approximate Comparison Table Deformed High-Temperature Alloy

2 Approximate Comparison Table Corrosion-Resistant Alloy

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