Semco Corp.

Semco Corp. is a non-ferrous casting manufacturer specializing in beryllium copper plunger tips and related components. The company operates its own beryllium copper foundry in Marion, Ohio, where it controls every step of the manufacturing process in-house. In its foundry, beryllium copper is melted in electric induction furnaces with controlled casting temperatures to achieve alloy integrity. Semco produces plunger tips in a range of sizes (from 2 inches to 8 inches in diameter) and also manufactures shot sleeves, rings, chill vents, chill blocks, and custom beryllium products and tools. Its manufacturing capabilities support aluminum die casting applications, with products designed for service life, performance, dimensional tolerance, and consistent air relief. Semco also maintains emergency and large inventories to support fast shipment and reduce casting downtime.

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