Yearly Archives: 2022

Because of the large diameter and thin wall thickness of large-diameter thin-walled LSAW steel pipes, special attention must be paid during transportation. When transporting large-diameter thin-walled...

The quality control of straight seam steel pipes can only be carried out safely in the production operation, and it is also an inevitable factor to ensure the personal safety of the operators. Applica...

Magnetic particle testing or penetration testing of seamless steel tubes can effectively find surface defects such as surface cracks, folds, heavy skins, hair lines, pinholes, etc. For ferromagnetic m...

The welding method of seamless steel tube should be selected according to the material and wall thickness of the seamless tube. Because different welding methods have different arc heat and arc force,...

In the process of high-frequency welding, especially in the production of thick-walled small pipe diameter products, such as small pipes of 1 inch and below, the wall thickness is relatively thick, us...

What is high frequency welding? High-frequency welding is a new type of welding process that uses the skin effect and neighboring effect produced by high-frequency current to connect steel p...

Seamless Black Pipe, Black Steel Pipe Schedule 40 Seamless, Black Steel Pipe Schedule 80 Exporter What are black steel pipes? Black steel pipe is made up of steel that has not being galv...

a) The following phenomena occur when the boiler tube is damaged 1. The water level of the boiler drops rapidly, the steam pressure and the feed water pressure decrease, and there is a noticeable noi...

List of Chinese Seamless Steel Pipe Manufacturers and Suppliers: Item Factory Type Products Range 1 ...