Seamless Steel Tube Bending and Straightening
The seamless steel tube is bent because the rolling mill is not properly adjusted, the residual stress remaining during rolling, and the unequal cooling due to the cross-section and length of the tube...
Causes of Small-diameter Seamless Steel Pipe Rust and How to Deal With It
Seamless steel pipes are widely used in our lives and are also suitable for all major factories, so the specifications and specifications are very high, especially the outer diameter of seamless steel...
How to Distinguish the Difference Between Seamless Pipe and Welded Pipe
The difference between a seamless tube and a conventional welded tube is that the main differences between the two types of tubes are only apparent. There is a general understanding of the difference ...
How to Distinguish High Quality GB/T9948 Seamless Steel Pipe
Classification of 3087 seamless steel tubes: seamless steel tubes are pided into hot rolling and cold rolling seamless steel tubes.
Hot-rolled seamless steel pipes are pided into general steel ...
How to Identify 20# Precision Tube
20# Precision tube is a kind of high-precision steel pipe material after cold drawing or hot rolling. Because the inner and outer walls of 20# precision steel pipe have no oxide layer, high pressure a...
How should the surface of high frequency welded steel pipe be treated?
With the continuous development of China's economy, the country vigorously develops the energy industry. Pipeline long-distance oil and gas pipelines are an important way of energy security. In the pr...
