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2. Youngstown Sheet and Tube - Wikipedia

   en.wikipedia.org/wiki/Youngstown_Sheet_and_Tube

   The Youngstown Sheet and Tube Company, based in Youngstown, Ohio, was an American steel manufacturer. Officially, the company was created on November 23, 1900, when Articles of Incorporation of the Youngstown Iron Sheet and Tube Company were filed with the Ohio Secretary of State at Columbus. In 1905 the word "Iron" was dropped from the company ...

3. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   110–119 – Y8A 8-pin steel tube base; Rimlock B8A; 130–139 – Octal; 150–159 – German 10-pin with spigot; 10-pin glass with one big pin; Octal; 160–169 – Inline wire-ended Pencil tubes; Y8A 8-pin steel tube base; 170–179 – RFT 8-pin; RFT 11-pin all-glass gnome tube with one offset pin; 180–189 – Noval B9A; 190–199 ...

4. National Tube Works (McKeesport, Pennsylvania) - Wikipedia

   en.wikipedia.org/wiki/National_Tube_Works...

   The National Tube Works, operated by the National Tube Company, was a large steel tube foundry located in McKeesport, Pennsylvania. The tube works employed a large amount of the town and were a symbol of the town itself. Its closure in 1987 severely impacted the town's economy and contributed towards its decline.

5. Hollow structural section - Wikipedia

   en.wikipedia.org/wiki/Hollow_structural_section

   In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel, A500 grade C. Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...

6. Proposed US Steel sale merits close attention for potential ...

   www.aol.com/proposed-us-steel-sale-merits...

   Nippon Steel sees the sale as a way to gain a substantial presence in the American market, driven, in part, by the big commitment to public works the Biden White House pushed through Congress.

7. Reynolds 531 - Wikipedia

   en.wikipedia.org/wiki/Reynolds_531

   Reynolds 531 (pronounced 'five-three-one') is a brand name, registered to Reynolds Technology of Birmingham in the United Kingdom, for a manganese–molybdenum, medium-carbon steel tubing that was used in many quality applications, including race car chassis, aircraft components and, most famously, bicycle frame tubing.