MS Seamless Hydraulic Pipe has variety of use thanks to their strength and needs for little maintenance. They tend to be used for transporting gas and water to rural areas and urban areas or for conduits that protect electrical wiring and deliver high pressure steam and air. In addition, black steel pipes are also used in oil and petroleum industries for piping large quantities of oil through remote areas. lack steel pipe is used to transport water and natural gas from their sources to homes and businesses. MS Seamless Hydraulic Pipe is also used for fire sprinkler systems because of its strong resistance to heat.