Black steel pipe is a steel pipe without surface coating. It is usually made of constant quality black round steel and processed through multiple processes. There is no treatment on its surface, giving it a black or dark gray appe...
2024-04-11
The main differences between PSL1 and PSL2 pipelines are reflected in the following aspects:1. Product specification level and quality level: PSL is the abbreviation of product specification level, and the product specification le...
2024-04-11
After stainless steel pipe fittings are processed by processes such as forming and welding, the metal molecular structure, magnetic properties, and physical properties change. The atmosphere-protected solid solution process can re...
2024-04-10
Steel-plastic composite pipe is a new type of pipe material. It uses seamless steel pipe, welded steel pipe, galvanized steel pipe, etc. as the base, and is processed with various types of plastics (such as epoxy resin, polyethyle...
2024-04-10
Coating a layer of zinc on the surface of steel pipes can effectively prevent oxidation and corrosion of steel pipes. Therefore, the production process of galvanized pipes is mainly divided into the following steps:galvanized pipe...
2024-04-09
Steel pipe cutting is an important process that is widely used in petroleum, chemical, electric power, natural gas, metallurgy, shipbuilding, boilers, pharmaceuticals, water treatment and other industries. The following are severa...
2024-04-09