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Thin-wall Titanium Castings Provide High Strength, Corrosion Resistance

Titanium Casting

ST-LAURENT, Quebec and HARTFORD, Conn.—Understanding customers' needs is a high priority for Alphacasting, a precision investment casting company that pours more than 120 different alloys ranging from aluminum to stainless steel, Inconel, and titanium. Actually developing that understanding and then using it to meet or exceed customer requirements can be elusive goals for any company. According to Alphacasting's sales manager, Frederik Centazzo, the company is able to understand the needs of its customers by getting to know them, by understanding their requirements, and by understanding the sectors in which they do business. And by paying special attention to details in complex tooling configurations, the company says, it can "suit specific customer requirements for parts in all alloys."

Alphacasting, which produces investment cast parts used in surgical tools, calibration blocks, and prostheses, among other applications, has reportedly refined a lost-wax casting process that allows the manufacturing of thin-wall titanium parts with high structural integrity. Known for its light weight, high strength, and excellent resistance to oxidation and corrosion, titanium is finding increased use in medical applications after being limited for many years by its cost. Refinements and new approaches to processes such as high-speed tooling, sand casting, and casting by the lost wax process have been instrumental in developing new applications for titanium, according to Alphacasting.

Titanium castings meet the requirements for complex designs, light weight, and aesthetics that come with many of the company's medical parts. On one project, Centazzo says, the company was "able to cast, in titanium, complex features that were previously machined."

Alphacasting also works with alloys such as nickel, bronze, and carbon steels, among many others. In addition to investment casting, the company can machine and finish the castings it produces. It can also help clients iron out issues at the front end of product development.

"We have all the capabilities to do prototypes in house," says Centazzo. "With the tight tolerances we keep, we can use the same tooling to cast other materials."

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