Seamless black steel pipe

Seamless black steel pipe is made of seamless steel pipe that has not been galvanized. Its name comes from the scaly, dark-colored iron oxide coating on its surface. It's used in applications that don't require galvanized steel.

The purpose of seamless black steel pipe is to carry propane or natural gas into residential homes and commercial buildings. So that pipes is manufactured without a seam, making it a better pipe to carry gas. Seamless black steel pipe's strength makes it ideal for transporting water and gas in rural and urban areas and for conduits that protect electrical wiring and for delivering high pressure steam and air. The oil and petroleum industries use black steel pipe for moving large quantities of oil through remote areas. This is beneficial, since black steel pipe requires very little maintenance. Other uses for black steel pipes include gas distribution inside and outside homes, water wells and sewage systems. Black steel pipes are never used for transporting potable water.

The materials of seamless black steel pipe mostly is astm a53.