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HY-80 is a high-tensile, high yield strength, low alloy steel. It was developed for use in naval applications, specifically the development of pressure hulls for the ...
High-strength low-alloy steel (HSLA) is a type of alloy steel that provides better mechanical properties or greater resistance to corrosion than carbon steel.HSLA steels vary from other steels in that they are not made to meet a specific chemical composition but rather specific mechanical properties.
Low-carbon STS became the forerunner of HY-80, which eventually became the standard steel for submarine construction during the Cold War. [2] [3] Metallurgy.
The Permit-class submarine (known as the Thresher class until the lead boat USS Thresher was lost) was a class of nuclear-powered fast attack submarines (hull classification symbol SSN) in service with the United States Navy from the early 1960s until 1996.
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Also like Albacore, the Skipjacks used HY-80 high-strength steel, with a yield strength of 80,000 psi (550 MPa), although this was not initially used to increase the diving depth relative to other US submarines. HY-80 remained the standard submarine steel through the Los Angeles class. [5] Control room of Skipjack class; the bow is at the top.
The average rate on a 30-year mortgage in the U.S. eased this week, though it remains near 7% after mostly rising in recent weeks. The rate slipped to 6.81% from 6.84% last week, mortgage buyer ...
Greetings, I plan to add a substantial segment related to the weldability of HY80 Steel and specifics of heat transfer, residual stress and microstructure as it relates to different processes. Articles like Effects of welding processes on the mechanical properties of HY 80 steel weldments will be used as reference.