Ni-Base Alloy Inconel 718

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Inconel 718 (GH4169)

Applications: aerospace, gas turbine blades, exhaust manifold, engine and heat exchanger, etc.

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Description

With good creep resistance and corrosion resistance, applied for aerospace, gas turbine blades, exhaust manifold, engine and heat exchanger, etc.

Chemistry

Element		Ni	Cr	Fe	Nb	Mo	Ti	Al	Co	Cu	C	Si	Mn	P	S	B
Mass (%)		50-55	17-21	Balance	4.75-5.5	2.8-3.3	0.65-1.15	0.2-0.8	≤1	≤0.3	≤0.08	≤0.35	≤0.35	≤0.015	≤0.015	≤0.006

Physical property

PSD		Flow Rate (sec/50g)	Apparent Density (g/cm₃)	Angle of repose	Sphericity
15-53 μm		≤22s/50g	≥4.0g/cm₃	≤35°	≥90%

SLM Mechanical property

	As manufactured	Heat treated
Tensile strength（MPa）	XY：1060 ± 50 Z：960 ± 60	XY：1400 ± 100 Z：1390 ± 100
Yield strength（MPa）	XY：770 ± 50 Z：630 ± 50	XY：1200 ± 100 Z：1150 ± 100
Elongation after fracture（%）	XY：26 ± 10 Z：30 ± 10	XY：15 ± 5 Z：15 ± 5

As manufactured

Heat treated

Tensile strength（MPa）

XY：1060 ± 50

Z：960 ± 60

XY：1400 ± 100

Z：1390 ± 100

Yield strength（MPa）

XY：770 ± 50

Z：630 ± 50

XY：1200 ± 100

Z：1150 ± 100

Elongation after fracture（%）

XY：26 ± 10

Z：30 ± 10

XY：15 ± 5

Z：15 ± 5

Solid solution strengthening: 980 ℃ constant temperature for 1 hour; Aging strengthening: 720 ℃ constant temperature for 8 hours, 620 ℃ constant temperature for 8 hours

Focus on Surface Technology and Materials

Description

Chemistry

Physical property

SLM Mechanical property

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Focus on Surface Technology and Materials

Description

Chemistry

Physical property

SLM Mechanical property

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