SEATTLE (AP) — A metallurgist in Washington state pleaded guilty to fraud Monday after she spent decades faking the results of strength tests on steel that was being used to make U.S. Navy submarines.

U.S. Army DEVCOM GVSC and independent WMTR testing demonstrate high-strength steel-benchmark performance for IperionX Ti-6Al-4V fasteners, supporting U.S. defense industrial-base resilience and ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - The United States Navy's nuclear-powered attack submarine USS Vermont is christened at Electric Boat in Groton, Conn., Oct.

Stainless steels can be found in all areas of modern society. They are manufactured into plates, sheets, wires, tubing, and bars to be designed into every possible type of equipment and material. It ...