N07718

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Description

USA UNS N07718 Superalloys Ni-Cr Alloy Precipitation Hardenable and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: N07718

Category	Class	Grade	Standard	Country	Application
Steel Grades	Superalloys	N07718	UNS	USA	Ni-Cr Alloy Precipitation Hardenable

Chemical composition(mass fraction)(wt.%) of the N07718

C	Cr	Mo	Ni	Al	Nb	Fe	Si	Mn	P	S	B
≤0.03	17.0 -21.0	2.80 -3.30	50.0 -55.0	0.20 -0.60	4.75 -5.50	≤Bal	≤0.35	≤0.35	≤0.015	≤0.015	≤0.006

Mechanical Properties of steel grade N07718

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)
183 (≥)	677 (≥)	12	22	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	313

Physical Properties of steel grade N07718

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
21	-	-			0.32	-
855	468	-	11.3	222		-
841	-	22	42.2			111	443

Heat Treatment of steel grade N07718

Heat treated : 1316°C - 1256°C

Technological Curves of steel grade N07718

No Curve

Cross Reference Table (Equivalent Grade) of N07718

Grade	Standard	Country	Application
NiCr19Fe19Nb5Mo3

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