Seamless pipe is made from a round steel billet (solid cylindrical hunk of steel that is cast from raw steel). This billet is then heated, stretched out and pushed or pulled over a form. It is then pierced through the center with a die and mandrel which increases the inside diameter and reduces the

At present,industrial stainless steel welded pipe is widely used in the application market of stainless steel at home and abroad. Among them, because of the difference of surface processing technology, the stainless steel industrial welded pipe is mainly divided into two kinds of welded pipe and pol

Scope of flaw detection:Inspection of weld surface defects. Check the welding quality of weld surface crack, incomplete penetration and leakage.Lumen examination. Check surface cracks, peeling, guy wire, scratch, pit, bulge, spot, corrosion and other defects.Status check. When some products (such as

Hot dip Galv. Tube production technology and applicationGalvanized steel pipe is the carbon steel pipe that are coated with a protective layer of zinc. The zinc layer served as a sacrificial layer, it will get rust before the carbon steel under neath it. Galvanized steel tubeS include Two types: hot

What is the difference between galvanized steel pipe and seamless steel pipe?Hot-Galvanized steel pipe and seamless steel pipe are two types of steel pipes. There are many differences between the two, as follows: The manufacturing process difference between galvanized steel pipe and seamless steel p

In recent years, the worldwide high-end seamless pipe market recovery and the country's economic strength gradually increased, the hot extrusion production process of seamless steel pipe ushered in a new round of development opportunities.Hot extruded pipe production process using hot extrusion meth