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  2. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    For some oxyhydrogen torches the oxygen and hydrogen are produced by electrolysis of water in an apparatus which is connected directly to the torch. Types of this sort of torch: The oxygen and the hydrogen are led off the electrolysis cell separately and are fed into the two gas connections of an ordinary oxy-gas torch.

  3. MAPP gas - Wikipedia

    en.wikipedia.org/wiki/MAPP_gas

    A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane.

  4. Oxidizing and reducing flames - Wikipedia

    en.wikipedia.org/wiki/Oxidizing_and_reducing_flames

    When the amount of oxygen increases, the flame shortens due to quicker combustion, its color becomes a more transparent blue, and it hisses/roars. [2] With some exceptions (e.g., platinum soldering in jewelry ), the oxidizing flame is usually undesirable for welding and soldering, since, as its name suggests, it oxidizes the metal's surface. [ 2 ]

  5. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    Air acetylene welding (321) AAW 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

  6. Thermal lance - Wikipedia

    en.wikipedia.org/wiki/Thermal_lance

    A thermal lance, thermic lance, oxygen lance, or burning bar is a tool that heats and melts steel in the presence of pressurized oxygen to create very high temperatures for cutting. It consists of a long steel tube packed with alloy steel rods, which serve as fuel; these are sometimes mixed with aluminum rods to increase the heat output.

  7. Talk:Oxy-fuel welding and cutting/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:Oxy-fuel_welding_and...

    2.1 Shut off oxygen first or acetylene first? 3 Instructional content. 9 comments. 4 RfM. 1 comment. 5 Mediation. 6 comments. 6 More historical information. 7 ...

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  9. Fusion welding - Wikipedia

    en.wikipedia.org/wiki/Fusion_welding

    Oxyfuel uses oxygen as a primary ignition source in tandem with another gas such as acetylene to produce a flame which is 2500 °C at the tip and 2800-3500 °C at the tip of the inner cone. [7] Other gasses such as propane and methanol can be used for oxyfuel welding. Acetylene is the most common gas used in oxyfuel welding.

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