Steel pipes may be round, square, or rectangular, and often incorporate alloys with different metals, such as aluminum, titanium, manganese, or tungsten. This type of conduct transports water or other fluids, and serve to transport materials that, although they are not properly fluid, adapt to the system, such as oils, gas, vapor, etc.
In the metal industry, especially in the piping segment, it is possible to find variations regarding the quality, type of steel, and the use given to each pipe type.