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Oxy-fuel welding torch (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline or petrol, diesel, biodiesel, kerosene, etc) and oxygen to weld or cut metals.
Oxy-fuel welding is used to weld types of metals, including carbon steel, alloy steels, cast iron, aluminum, and magnesium using pure oxygen and fuel/gas. A torch is used to heat two pieces of metals at a temperature that produces a molten pool.
Oxy-Fuel welding (OFW) is a group of welding processes that join metals by heating them with a fuel gas flame or flares with or without the application of pressure and with or without the use of filler metal.
Oxy-fuel cutting can be used to cut thicknesses from 2/8″ to up to 12″. Traditionally oxy-fuel processes are used for brazing, fusion welding, flame hardening, metalizing, soldering, stress relieving, cutting and bending.
While all industrial fuel gases are capable of generating a flame, their properties can be very different. Here is a rundown of the four common types of oxy fuel heating, cutting, and welding gases.
Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. When mixed together in correct proportions within a hand-held torch or blowpipe, a relatively hot flame is produced with a temperature of about 3,200 deg.C.
Oxy-fuel welding and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline or petrol) and oxygen to weld or cut metals. French engineers Edmond Fouche and Charles Picard became the first to develop oxygen-acetylene welding in 1903.
Oxy-acetylene welding, a type of gas welding also known as oxyfuel welding, is primarily used for welding thin metal sections and can also be used for heating tasks. Welding with oxy-acetylene is a flexible and forgiving process, making it suitable for amateur and part-time welders.
Oxy-fuel cutting, also called “burning”, “torch cutting” or “flame cutting”, is widely used in many industrial settings, but only on one metal – steel. It can cut all shapes and sizes of steel in thicknesses from 0.5 mm to 250 mm.
Oxy-fuel welding (commonly called oxyacetylene welding or oxy welding or in the U.S. gas welding) and Oxy-fuel cutting are processes that use fuel gases and oxygen to either weld or cut metals. There are a few differences between the two.