MAPP gas
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MAPP gas was a trademarked name for a fuel gas based on a stabilized mixture of methylacetylene, propadiene and propane. The name comes from the original chemical composition, methylacetylene-propadie
A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.
Thermal lance
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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 l
MAPP gas
…acetylene can decompose explosively, making it dangerous to use). However, underwater oxy/fuel gas cutting of any kind has been largely replaced by exothermic cutting because of its relative safety and speed. MAPP gas is also used in combustion with air for brazing and soldering, where it has a slight advantage over…
Thermal lance cutting a railroad bridge to prepare for replacement