Wholesale Black Steel Pipe from JIANZHI OEM Supply

Black steel pipe made from low-carbon steel, which is strong and durable. The pipe has a dark color due to the iron oxide formed during the manufacturing process. Unlike galvanized steel, black steel pipe does not have a zinc coating. The black color comes from the...

China Black Steel Gas Pipe OEM Factory

Black steel gas pipe, commonly referred to as black iron pipe, is a type of steel pipe coated with a dark-colored iron-oxide scale. The coating on black pipe fittings manufacturer JIANZHI’s products gives their characteristic black color. Here are some key uses...

China Good Black Pipe Gas Line by Manufacturer JIANZHI

Black steel pipe, commonly referred to as black iron piping, is primarily used for gas lines. It’s also employed to connect appliances to their supply lines. Businesses and residential homes use black iron pipes to convey natural gas or propane gas. Black pipe gas...

China Quality Galvanized Steel Pipes for Cold Water Supply

Galvanized steel pipes are typically made from carbon steel and coated with a layer of zinc. This zinc coating forms a protective barrier between the steel and the surrounding environment, preventing corrosion. Galvanized steel pipes are commonly used in plumbing and...

High Quality Black Pipe for Gas Line from JIANZHI China

Black iron is the most common material used for gas pipes, both indoors and outdoors. It’s strong, heat-resistant, and can be assembled to create an airtight seal. Black pipe for gas lines are typically made of black iron or steel. They are commonly used for natural...