How are common seamless steel pipes classified?
NewsClassification of national standard seamless steel pipes: seamless steel pipes are divided into two categories: hot-rolled and cold-rolled (dial) seamless steel pipes. Hot-rolled seamless steel pipes are divided into general steel pipes, low…
Why is borax blowing in the production process of seamless steel pipe, what is the process and purpose
NewsWhy do we need to blow borax in the production process of seamless steel pipe? What is the process and purpose? The limit mandrel continuous rolling mill has one more process than the floating and semi-floating mill. Oxidizer, whose technological…
Mechanical properties of precision bright seamless tubes
NewsPrecision bright seamless steel pipe is a kind of high-precision steel pipe material processed by fine drawing or cold rolling. Due to the advantages of no oxide layer on the inner and outer walls of the precision bright tube, no leakage under…
What are the application characteristics of dredging spiral steel pipes in summer
NewsThe dredging spiral steel pipe adopts the technology of submerged arc welding, also called submerged arc welded straight seam steel pipe. The main function is to clean up the steel pipes that transport sediment, mud and other mixed debris. The…
Knowledge of stainless steel clad plate
UncategorizedWith the continuous development of science and industry, it is difficult for ordinary alloys or a single metal to meet the requirements of industrial development for the comprehensive properties of materials. The clad plate made by different…
How can stainless steel tubes avoid deformation or concave flattening
NewsStainless steel pipe is a kind of steel. Before it is made into a product, it is in three conventional shapes such as round, rectangular and square in people's eyes. According to the needs of different products, there are many kinds of stainless…
How to scientifically arrange the production of hot-dip galvanized spiral steel pipe
UncategorizedHow to scientifically arrange the production of spiral steel pipes
The production of spiral steel pipe is due to its slow adjustment process and fast production. Under normal circumstances, it is not often adjusted, because the adjustment…
Flatness galvanized steel pipe
UncategorizedGalvanized steel pipes are divided into cold galvanized steel pipes and hot-dip galvanized steel pipes. Cold galvanized steel pipes are strictly prohibited from being used, and the latter one is advocated for temporary use in my country. In…
Knowledge of the application and precautions of polyurethane thermal insulation steel pipe
UncategorizedPolyurethane direct buried thermal insulation pipe is suitable for thermal insulation and cold insulation projects of various media in the range of -50℃~150℃. It is widely used in thermal insulation and cold insulation projects in urban…
Common anti-corrosion coatings for national standard spiral steel pipes
NewsThe national standard spiral steel pipe refers to the steel pipe that is used and transported as a medium, and the steel pipe is corroded by chemical or electrochemical reactions due to the influence of the use environment and the conveying…