3D Printing Metal Powder

Nickel Alloy 718

2023-03-07 00:40:02  News

nickel alloy 718 is a precipitation hardening nickel-chromium alloy that contains significant amounts of iron, columbium, and molybdenum along with smaller traces of aluminum and titanium. It is designed to exhibit significant yields, tensile, and creep rupture properties at temperatures up to 1300degF (704degC).

This nickel-chromium alloy is also non-magnetic and maintains significant corrosion and oxidation resistances. It is commonly used in applications that require high strength, good ductility, and creep-rupture resistance.

Alloy 718 is a very versatile nickel steel alloy that can be readily fabricated. It is a superalloy that is used in a variety of high-temperature applications including aerospace, chemical processing, marine engineering, pollution control equipment, and nuclear reactors.

The strength and corrosive resistance of nickel alloy 718 make it an excellent choice for engine components, especially jet engines. It is also used for high-speed airframe parts, such as wheels, buckets, spacers, and bolts and fasteners.

It is an excellent material for welding because it does not present the same problems as other high-temperature precipitation hardening alloys. Due to its slow aging response, it may be welded in either the annealed or precipitation hardened condition without having to worry about post-weld cracking.

In addition, because of its sluggish reaction rate, welding Nickel 718 does not require the same kind of stress relief that other high-temperature precipitation hardening materials do. This allows it to be welded directly to the workpiece without any pre-heating or other stress relievers being used.

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