Advantages and disadvantages of hot-rolled seamless steel tubes

2022-12-27

　　Generally, the production process of seamless steel pipe can be divided into cold drawing and hot rolling. Hot rolling, as the name implies, has high temperature of rolled piece, so the deformation resistance is small and lar...

Control points of HRB400, hrb400e and HRB500 steel bar rolling

2022-08-08

　　1、 Preparation of raw materials 　　1. The feeding team shall do a good job in the classified stacking and identification of converter hrb400-hrb500 steel billets to avoid mixed numbers. 　　2. The lagging blanks shall be...

New progress in application of converter automatic steelmaking technology

2022-08-08

　　Under the background of the continuous improvement of industrial control technology and the rapid development of computer network technology, the level of automatic control technology of converter steelmaking has also been si...

High liquid level immersed tundish quick change process

2022-08-01

　　Abstract: tundish quick change technology is an important means to reduce the number of stop pouring and production preparation, and improve the operation rate of slab caster. The key points and technical characteristics of h...

Analysis on the end point control technology of converter steelmaking

2022-07-25

　　Nowadays, the continuous development of China's social economy has promoted the continuous pace of industrial construction. The demand for steel in various industries is gradually rising, and the requirements for steel qu...

Selection and principle of cold rolling oil

2022-07-21

　　1. Preface 　　Whether the rolling oil is selected correctly in cold rolling directly affects the output and quality of the rolling mill Especially for the newly-built rolling mill, the cold rolling oil suitable for the cha...