China Professional Black Metal Pipes Maker

Black metal pipes, also known as black malleable iron pipes, are an excellent choice for various industries, offering sturdiness and versatility.

Manufacturing Process

  • Seamless Black Steel Pipes: These pipes are produced by piercing a solid steel billet to create a hollow cylindrical shape. They lack a welded seam, making them stronger and suitable for high-pressure applications.
  • Welded Black Steel Pipes: These pipes are made by bending and welding steel sheets or strips to form a cylindrical shape. They are cost-effective and commonly used for various industrial and structural purposes.


  • Plumbing and Water Supply: Black steel pipes are commonly used for plumbing and water supply lines in residential and commercial buildings. They transport potable water and other non-corrosive fluids.
  • Natural Gas Distribution: Due to their durability and corrosion resistance, black steel pipes are widely used for natural gas distribution systems.

JIANZHI is a China professional black iron pipe fittings manufacturer can always offers variable products choices for you!

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Tangshan City, Hebei Province, China.
Chifeng, Inner Mongolia, China.
Schelei Street,Baicoi City,Prahova County,Romania



+40(755)011 849

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