Hot-rolled plates and cold-rolled plates

2025-06-12

Hot-rolled steel plates have mechanical properties far inferior to those of cold-worked ones and are also inferior to those of forged ones, but they have better toughness and ductility   Cold-rolled steel plates, d...

Tube billet piercing process

2025-05-12

Piercing is the first process in the deformation of hot-rolled seamless steel pipes, and its function is to Pierce solid tube billets into hollow rough tubes. Due to the fact that the surface defects or eccentricity (uneven wal...

Analysis of 28 Steel Defects and Common Terms

2025-05-12

Analysis of Steel Defects and Common Terms Roundness: For circular cross-sections of rolled materials, such as round steel and round steel pipes, the diameters in all directions are not equal. 2. Incorrect shape: The cr...

Ten Basic Questions about Steel Rolling

2025-05-12

The problems existing in hole-free rolling and the solutions are as follows:   The stability issue of rolled pieces. Due to the fact that hole-free rolling is not restricted by the side walls of the hole, it is pro...

What are the processes of aluminum alloy processing?

2025-04-09

The density of pure aluminum is small, about 1/3 of iron, low melting point, aluminum is face-centered cubic structure, so it has high plasticity, easy to process, can be made into a variety of profiles, plates, good corrosion ...

Analysis and research on damage causes of cold rolling roll bearing

2025-04-09

Abstract: In this paper, the characteristics and common failure phenomena of cold rolling roll bearings are introduced, and the reasons for their failure are emphatically studied.   Key words: cold roll bearing; Ca...