Research and Application of Aspect Ratio of Slitting Steel Coil

The slitting line of a finishing branch of a hot rolling mill is a multi-purpose coiling unit with the functions of slitting strips, slitting and recoiling. […]

Coil Design of Hot Strip in Steel Plant

One of the important indicators to measure the quality of hot-rolled strip steel is the coil shape of the strip steel coil. […]

Analysis of Causes of Edge Cracks in SPHC Cold Rolled Strip

in the SPHC cold-rolled strip of line 1580 were analyzed, and it was considered that the grains at the edge of the strip were coarser and the presence of tertiary cementite was the main reason for the edge cracks. […]

Analysis on the Causes of Warped J55 Steel Coil for Oil Casing

J55 oil casing steel produced by the 1580 production line , the product performance and the phenomenon of peeling defects on the surface of the steel coil are introduced . […]

Si Content on Red Scale on Hot Rolled Coil Surface

The red scale ( red rust ) residue test of the coil was carried out on the hot rolling production line . The surface quality of the coil and the structure of the red rust were analyzed by using the online surface quality inspection system and scanning ele […]

Types and Causes of Strip Defects in Hot Rolled 2250mm Rolling Mill

2250mm hot-rolling mill of Jingtang Company , the types of defects in the quality of the strip mainly include defects such as tower shape, scale pits , indentations , scratches , and waves ; the analysis and control of the causes of defects are expounded […]