What is the difference between forging iron and malleable iron pipe fittings？

May. 23, 2022

We often get this question from customers who are often trying to determine if they should use malleable iron fittings or wrought iron threaded fittings or socket weld fittings.

How to Find Elbow Center of Pipe

May. 05, 2022

For standard degrees of pipe elbows such as 45° pipe elbows and 90° pipe elbows, elbow center to end dimensions are available in standard pipe charts. But many times, custom elbow angles are required at site which should be cut from standard 45° or 90° elbows.

How Many Types of Pipe Elbow

Apr. 29, 2022

Here, JIANZHI as a China Large Manufacturer of cast iron pipe fitting introduces you to how many types of the pipe elbows.

How are Pipe Elbows Made?

Apr. 19, 2022

Maintenance of pressure iron pipes on a daily basis

Mar. 21, 2022

The daily maintenance of pressure pipelines is essential to ensuring and extending their service life. In order to maintain the pressure pipeline successfully, the operator must do a good job on a daily basis.

What are black pipe and fitting used for?

Mar. 14, 2022

Threaded black cast iron fittings are used to connect black steel or black iron pipe for transporting gas or water, protecting electrical wiring, or delivering high-pressure steam or air. These uncoated black steel and iron fittings are made from corrosion-resistant, ungalvanized steel with a scaly, dark-coloured iron oxide coating. Fittings like t