Welding Cutting torch
What is oxy-fuel welding?Both oxygen and fuel gas is utilised to heat the metal that will be cut. A "jet" of oxygen is then fed through the centre, with the oxygen and fuel gas on either side heating the metal. The combination causes a reaction through the centre creating "slag". The jet of oxygen forces the slag downward cutting through the metal to the desired position. Make sure the oxygen and fuel gas is heated below the melting point to avoid melting the metal before the cutting proceeds. The melting point has to be lower than the surrounding metal to force the slag jet through the metal.
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