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2. Alloy 20 - Wikipedia

   en.wikipedia.org/wiki/Alloy_20

   Alloy 20 is an austenitic stainless steel containing less than 50% iron developed for applications involving sulfuric acid. Its corrosion resistance also finds other uses in the chemical , petrochemical , power generation , and plastics industries.

3. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   At room temperature, type 304 stainless steel is only resistant to 3% acid, while type 316 is resistant to 3% acid up to 50 °C (120 °F) and 20% acid at room temperature. Thus type 304 SS is rarely used in contact with sulfuric acid. Type 904L and Alloy 20 are resistant to sulfuric acid at even higher concentrations above room temperature.

4. Austenitic stainless steel - Wikipedia

   en.wikipedia.org/wiki/Austenitic_stainless_steel

   Alloy 20 (Carpenter 20) is an austenitic stainless steel possessing excellent resistance to hot sulfuric acid and many other aggressive environments which would readily attack type 316 stainless. This alloy exhibits superior resistance to stress-corrosion cracking in boiling 20–40% sulfuric acid.

5. Unified numbering system - Wikipedia

   en.wikipedia.org/wiki/Unified_numbering_system

   The Unified Numbering System for Metals and Alloys (UNS) is an alloy designation system widely accepted in North America. Each UNS number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property. A UNS number alone does not constitute a full material ...

6. Crucible Industries - Wikipedia

   en.wikipedia.org/wiki/Crucible_Industries

   Cumberland Steel and Tin Plate Company; ... which doubled the size of its western branch warehouse (now in ... 304L, 316L, 321, 347, Alloy 20, UNS 21800, XM-19 ...

7. Which companies have the most employees on H-1B visas? - AOL

   www.aol.com/companies-most-employees-h-1b...

   Here's a rundown of the top 20 companies as listed by the number of H-1B petitions for initial employment the U.S. approved in fiscal-year 2024, according to NFAP: Amazon. The e-commerce company ...

8. Duplex stainless steel - Wikipedia

   en.wikipedia.org/wiki/Duplex_Stainless_Steel

   Duplex stainless is widely used in the industry because it possesses excellent oxidation resistance but can have limited toughness due to its large ferritic grain size, and they have hardened, and embrittlement tendencies at temperatures ranging from 280 to 500 °C, especially at 475 °C, where spinodal decomposition of the supersaturated solid ...

9. Connecticut man allegedly killed a mother, her infant son ...

   www.aol.com/connecticut-man-allegedly-killed...

   A Connecticut man who allegedly killed a woman and her infant son in November targeted the woman because she owed him $400 for renting a vehicle of his, arrest reports said on Monday.