Black steel pipe is made of steel 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.
Black steel pipe data:
4.7m, 5.8m, 6m or according to the requirements.
API 5L, ASTM A53, G3452, G3457, DIN1626, GB/T3091 etc.
API 5L Gr.B, ASTM A53-F, GGP, STPY41, St33, Q235, Q345, 16Mn, etc.
Oiled, painted, galvanized etc.
Black steel pipe is widely used because its strength and requires little maintenance. It is ideal choice for conveying water and natural gas in both rural and urban areas. Or for conduits that protect electrical wiring and deliver high pressure steam and air. In addition, the oil Industry uses black steel pipes to transport oil.
Black steel pipe pictures:
The difference between black steel pipe and galvanized steel pipe:
1. Black steel pipe and galvanized steel pipe are both made of steel.
2. Galvanized pipes have zinc coating, while black steel pipes do not.
3. Galvanized pipes are more expensive because they have zinc coating.