What Is the Difference between Black Pipe and Galvanized Pipe

Black steel pipe is also used in fire sprinkler systems because of its high heat resistance. Get black pipe fittings catalog? Contact us! Black pipes that are black from the outside. The dark color comes from the iron oxide formed on its surface during the manufacturing process. Black steel pipe is ordinary iron pipe used primarily for gas piping, but also for connecting appliances to supply lines. It is used by businesses and residences to carry natural gas or propane gas supplies.