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  2. Galvanization - Wikipedia

    en.wikipedia.org/wiki/Galvanization

    Galvanized surface with visible spangle. Galvanization (also spelled galvanisation) [1] is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc. [citation needed]

  3. Hot-dip galvanization - Wikipedia

    en.wikipedia.org/wiki/Hot-dip_galvanization

    Galvanized fumes are released when the galvanized metal reaches a certain temperature. This temperature varies by the galvanization process used. In long-term, continuous exposure, the recommended maximum temperature for hot-dip galvanized steel is 200 °C (392 °F), according to the American Galvanizers Association.

  4. Corrugated galvanised iron - Wikipedia

    en.wikipedia.org/wiki/Corrugated_galvanised_iron

    Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...

  5. PPGI - Wikipedia

    en.wikipedia.org/wiki/PPGI

    However, only "pure" zinc coated steel is typically referred to as PPGI. For example, PPGL may be used for pre-painted 55%Al/Zn alloy-coated steel (pre-painted GALVALUME(r) steel*) Over 30 million tons of such coated steel is produced today in over 300 coating lines just in Boxing which is a little county in North of China.

  6. Gate valve - Wikipedia

    en.wikipedia.org/wiki/Gate_valve

    Gate valves may have flanged ends drilled according to pipeline-compatible flange dimensional standards. Gate valves are typically constructed from cast iron, cast carbon steel, ductile iron, gunmetal, stainless steel, alloy steels, and forged steels. All-metal gate valves are used in ultra-high vacuum chambers to isolate regions of the chamber ...

  7. Cattle grid - Wikipedia

    en.wikipedia.org/wiki/Cattle_grid

    Cattle grid on country road. Cattle grids are usually installed on roads where they cross a fenceline, often at a boundary between public and private lands. [5] They are an alternative to the erection of gates that would need to be opened and closed when a vehicle passes, and are common where roads cross open moorland, rangeland or common land maintained by grazing, but where segregation of ...

  8. Electrogalvanization - Wikipedia

    en.wikipedia.org/wiki/Electrogalvanization

    Alkaline Non Cyanide Zinc Process contains lower concentration zinc metal concentration 6-14 g/L (0.8-1.9 oz/gal) or higher zinc metal concentration 14-25 g/L (1.9-3.4 oz/gal) provides superior plate distribution from high current density to low current density or throwing power when compared to any acidic baths such as chloride based (Low ...

  9. American Motors Corporation - Wikipedia

    en.wikipedia.org/wiki/American_Motors_Corporation

    The Nash-Kelvinator/Hudson deal was a straight stock transfer (three shares of Hudson listed at 11 + 18, for two shares of American Motors and one share of Nash-Kelvinator listed at 17 + 3 ⁄ 8, for one share of American Motors) and finalized in the spring of 1954, forming the fourth-biggest auto company in the U.S. with assets of US$355 ...

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