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2. HY-80 - Wikipedia

   en.wikipedia.org/wiki/HY-80

   HY-80 is prone to the formation of martensite and martensite's peak hardness is dependent on its carbon content. HY-80 is an FCC material that allows carbon to more readily diffuse than in FCC materials such as austenitic stainless steel. Nickel – Adds to toughness and ductility to the HY-80 and is also an austenite stabilizer.

3. Special treatment steel - Wikipedia

   en.wikipedia.org/wiki/Special_Treatment_Steel

   The development of such homogeneous steel resulted from testing which showed that face-hardened armor was less effective against high-obliquity glancing impacts. Around 1910, Carnegie Steel developed a new nickel-chrome-vanadium alloy-steel that offers improved protection over the prior nickel steel armor, though vanadium was no longer used ...

4. Permit-class submarine - Wikipedia

   en.wikipedia.org/wiki/Permit-class_submarine

   Although they used the same HY-80 steel (yield strength 80,000 psi (550 MPa)) as the Skipjacks, the Threshers ' pressure hulls were made using an improved design that extended test depth to 1,300 ft (400 m).

5. High-strength low-alloy steel - Wikipedia

   en.wikipedia.org/wiki/High-strength_low-alloy_steel

   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.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. 2024 NFL playoff picture: who’s in, who’s out and who’s in ...

   www.aol.com/2024-nfl-playoff-picture-mix...

   In the NFC, the Detroit Lions are on course for the No. 1 seed as they enjoy a historic season to march to the postseason.. And the Philadelphia Eagles will also be in the playoffs after a long ...