Oxy-acetylene is one of the oldest and most universally used welding processes. In oxy-acetylene welding, oxygen and acetylene gas are combined in a torch handle to produce a flame that burns at over 6000 degrees Fahrenheit. This flame in turn melts the metal faces of the two pieces to be welded, causing the liquified metal to flow between and join them.
Other advantages to oxy-fuel welding include the relatively low cost of equipment, the quick learning curve compared to mig or tig welding methods, and the ability to easily regulate flame temperature by adjusting the gas flow.
Oxy-Flame Cutting
There are only a few metals that can be cut effectively with a cutting torch. These are metals that can be oxidized, like iron and steel. Other metals like aluminum and stainless steel don’t oxidize, or rust, therefore they can’t be cut with a torch even though an oxy-fuel torch gets hot enough to melt these metals.
For cutting those metals you’ll need to use a different method, such as laser beam or plasma cutting. Or another option is to use a mechanical cutting method such as a saw wheel or abrasive wheel cutting.
Note — Gas welding and heat forming should always be the starting points for new welders. Only after you’ve mastered — or at least learned the basics — of gas welding will you be ready to tackle the more challenging methods such as Tig and Mig welding. |
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