Nickel-based alloy | 2.4668 | Inconel® 718

Description

The nickel-based alloy Alloy 718 is suitable for use at high temperatures and under corrosive conditions. The superalloy is often used for compressor and turbine blades, for example in gas turbines or in the aerospace industry. Additive manufacturing with downstream heat treatment processes enables good control of the material properties, resulting in a wide range of applications.

Download data sheet (PDF)

Material no.

2.4668

Designation

Inconel® 718

Qualification level

ready for series production

Material properties

Properties	Unit	As built 1)	Heat-treated 2)
Tensile Strength Rm	Mpa	1050 ±3	1500 ±30
Yield Strength Rp0.2	MPa	740 ±20	1350 ±20
Elongation at Break A5	%	28 ±3	10 ±3
Young's Modulus E	GPa	185 ±10	215 ±15
Charpy Notch Toughness Av	J	75 ±5	25 ±3
Hardness	HV	305 ±5	470 ±5

Chemical composition

Rosswag Engineering offers a globally unique process chain for the additive manufacturing of metallic components. The service portfolio ranges from tool and prototype production with small quantities to specific consulting for the qualification of material, parameters and process chain

Element	Mass fraction [%]
C	≤ 0.08
Si	≤ 0.35
Mn	≤ 0.35
P	≤ 0.015
Si	≤ 0.015
Al	0.20 - 0.80
Cr	17.0 - 21.0
Co	≤ 1.00
Cu	≤ 0.30
Mo	2.80 - 3.30
Ni	50.0 - 55.0
Nb+Ta	4.75 - 5.50
Ti	0.65 - 1.25
Fe	Balance