Oxy-Fuel Cutting

A Leading Economical Cutting Process which also referred to as Oxyfuel flame cutting and Oxyfuel gas cutting

Oxy-Fuel Cutting

Oxy-fuel cutting is a chemical reaction between pure oxygen and steel to form iron oxide. It can be described as rapid, controlled rusting. Oxy-fuel cutting is a thermal cutting process that uses oxygen and fuel gas (such as acetylene, propane, MAPP, propylene and natural gas) to cut through materials.
The oxyfuel cutting process is ideal for when the surface of the material to be cut is made of mild steel and low alloy steel and the thickness of the material to be cut is greater than 2 inches (50 millimeters).
Oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline) and oxygen to weld or cut metals. French engineers Edmond Fouché and Charles Picard became the first to develop oxygen-acetylene welding in 1903. Pure oxygen, instead of air, is used to increase the flame temperature to allow localized melting of the workpiece material (e.g. steel) in a room environment.
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Oxyfuel Cutting Advantages and Disadvantages


Straight-edge quality and high accuracy.

Bevel strip cutting.

Pierce mild steel up to 4 inches thick (101 millimeters) to 5 inches (127 millimeters) thick.

Edge start and cut steel 10 inches (254 millimeters) to 12 inches (304 millimeters) thick.

With multiple torches, produce multiple parts, reducing time and labor.


Cannot cut stainless steel under normal circumstances.

Slower cut speeds compared with plasma cutting.

Thin material cutting might warp.

Difficult to produce holes smaller than two times the steel’s thickness.

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Oxyfuel Cutting Gas Types

Acetylene: Hottest gas but can be unstable and expensive.

MAPP: Hot gas but not as available as other gases.

Propane: Cheaper and clean-burning but not as hot as other gases.

Natural gas: Cheaper and widely available but offers low delivery pressure.