Nickel Investment Castings

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Nickel Base Alloys: Typical Properties

Nickel base alloys have a high resistance to chemical corrosion and maintain good mechanical properties at elevated temperatures. Some uses include nozzle diaphragms in jet engines, chemical processing and handling equipment, the pulp and paper industries, and specialty pumps and valves.

Nickel	Condition	Tensile Strength (PSI)	Yield Strength (PSI)	% Elongation	Hardness Range or Max	Reference Specification
Inconel 600	As Cast	65-75,000	35-40,000	10-20	80-90 Rb	AMS 5402
Inconel 625	Annealed	80-100,000	40-55,000	15-30	10-20 Rc	AMS 5402
Hastalloy C	As Cast Annealed	80.95,000 75-95,000	45-55,000 45-55,000	8-12 8-12	90-100 Rb 90 Rb- 25 Rc
Hastalloy X						AMS 5390
Invar	As Cast	50-60,000	25-30,000	30-40	50-60 Rb
Monel E

The most common Inconel® nickel-based alloys are:

Inconel® Nickel-Based Alloys

During the investment casting process, we may use Inconel® 600 and 625.

Inconel® 600, 2.4816 (72% Ni, 14-17% Cr, 6-10% Fe, 1% Mn, 0.5%Cu): superior impact resistance, stability, and high fatigue strength across a broad temperature scale. Made with nickel, chrome, and iron, this alloy can withstand extreme environments and corrosive gasses; it also retains its stability and material properties when exposed to chlorine and chlorine water.

Hastelloy® Nickel-Based Alloys

Hastelloy is an alloy that is easy to weld and use in fabrication. It has excellent chemical corrosion resistance and strong stress corrosion resistance. During investment casting, we may use Hastelloy® Ca nickel-chrome-molybdenum alloy that is applied in environments with inorganic acids. This alloy can withstand high heat up to 1,900 degrees Fahrenheit or 1038 degrees Celsius while retaining its ductility.

Cobalt-based Alloys vs. Nickel-based Alloys

While cobalt-based alloys display good mechanical properties, they are rarely used in comparison to nickel-based alloys. In many high-temperature applications, nickel-based alloys are preferred, due to the wider range and significantly lower price of nickel. Since nickel and cobalt-based alloys possess similar positive aspects (good heat, wear and corrosion resistance), the performance difference between the two alloys does not have enough impact in most areas of applications to warrant the higher price of cobalt-based alloys. Nonetheless, Co-based alloys display superior strength at high temperatures than many nickel-based alloys.

We recognize that each customer has unique requirements.

Our melt technicians are capable of custom mixing alloys as needed to produce a final metallurgy that is certified to meet individual customer requirements. Every heat is spectrographically tested to ensure the correct chemistry and mechanical properties are verified by in-house testing of separately cast tensile specimens. Metallurgical quality and integrity are ensured by archiving a small metal sample of each heat for up to seven years to assure our customers of the metal quality and address any technical inquiries that may arise years after castings have been produced and shipped.

Demanding Applications

Barron Industries is a custom manufacturer of high-precision Investment Castings, rapid prototypes, machined components, complete assemblies, and welded fabrications. An AS9100 certified company, we are also NADCAP certified for non-destructive Testing – one of our many in-house value-added services including CNC machining and CAD Engineering. Our customers turn to Barron for engineered solutions to their most critical challenges and our vertically-integrated process significantly reduces cost and lead times.

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Nickel Base Alloys: Typical Properties

The most common Inconel® nickel-based alloys are:

Inconel® Nickel-Based Alloys

Hastelloy® Nickel-Based Alloys

Cobalt-based Alloys vs. Nickel-based Alloys

Demanding Applications

Superior Investment Casting Solutions™

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