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13 Oct 2013

Spuncast provides Advanced Steel Casting Alloy for the Navy

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ELECTRONIC CASTING DESIGN TOOLS

Steel Founders Society of America is developing web-based casting design studies (www.sfsa.org/tutorials) for DoD, OEM’s and academia. One of the tutorials describes the application of advanced steel casting alloy technology for Navy submarines to increase fleet readiness and provide more responsive, reliable combat power to support expeditionary and contingency operations at a lower cost.
US Navy submarines use on-demand hydraulic pressure for system operations throughout the boat, supplied by hydraulic accumulators, which have to contain high pressure spikes for more than half a million cycles without leaks or failure through the life of the submarine.

Spuncast, Inc. of Watertown, WI centrifugally casts the cylinder barrels (16” diameter and 30” length) for the accumulators. By shifting from a dual layer alloy design to a duplex stainless steel alloy, the casting is produced in a single pour, delivering improved strength, toughness, corrosion-resistance, and wearlife while eliminating costly hard-chrome plating.

View the Full Case Study PDF

Electronic Casting Design Tools for the NavyWith the duplex stainless steel accumulator, the Navy submarine force increases on-station time, reduces maintenance time and costs, eliminates the environmental hazards and costs of electro-chrome plating.

The SFSA web-based casting design study (www.sfsa.org/tutorials) tells the story to a wide audience (DoD, OEM’s and academia) of how the application of advanced steel casting alloy technology helps Navy submarines increase fleet readiness and provide more responsive, more reliable combat power to support expeditionary and contingency operations at a lower cost.

This project is part of The American Metalcasting Consortium, managed by the Advanced Technology Institute, and sponsored by the Defense Supply Center Philadelphia, Philadelphia, PA, and the Defense Logistics Agency, Fort Belvoir, VA.

For more information or questions concerning AMC, contact Vickie Doby at ATI via email: doby@aticorp.org.

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