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  2. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    G40.20-13/G40.21-13: General requirements for rolled or welded structural quality steel/ Structural quality steel W178.1-14: ... Gas welding equipment - Small kits ...

  3. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    Chemical welding process, not popular Limited Oxyacetylene welding: 311: OAW Combustion of acetylene with oxygen produces high-temperature flame, inexpensive equipment Maintenance, repair Oxygen/Propane welding 312: Gas welding with oxygen/propane flame Oxyhydrogen welding: 313: OHW Combustion of hydrogen with oxygen produces flame Limited

  4. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    To supply the electrical power necessary for arc welding processes, a variety of different power supplies can be used. The most common welding power supplies are constant current power supplies and constant voltage power supplies. In arc welding, the length of the arc is directly related to the voltage, and the amount of heat input is related ...

  5. Indian Oil Corporation - Wikipedia

    en.wikipedia.org/wiki/Indian_Oil_Corporation

    In May 2018, IOCL became India's most profitable government corporation for the second consecutive year, with a record profit of ₹21,346 crores in 2017–18. [16] In February 2020, the company signed a deal with the Russian oil company Rosneft to buy 140,000 barrels per day of crude in year 2020. [17]

  6. Iron Ore Company of Canada - Wikipedia

    en.wikipedia.org/wiki/Iron_Ore_Company_of_Canada

    Iron Ore Company of Canada (often abbreviated to IOC) (French: Compagnie Minière IOC) is a Canadian-based producer of iron ore. The company was founded in 1949 from a partnership of Canadian and American firms, the largest being the M.A. Hanna Company. It is now owned by a consortium that includes the Mitsubishi and Rio Tinto corporations.

  7. Welder certification - Wikipedia

    en.wikipedia.org/wiki/Welder_certification

    The main part of the welder's test consists of welding one or more test coupons which are then examined using non-destructive and destructive methods. The extent of certification is described by a number of variables, which include the specific welding process, type of deposited metal, thickness, joint design, position, backing, and others.

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