Eliminating the inner stress of 400 series HR Recrystallization of elongated grain size Uniform grain sizes and regular distribution of carbides
Eliminating residual stress Recrystallization of grain size Descaling by shot blasting Removing oxide by pickling process Forming passivation film
Cold rolling to aim thickness Controlling precise shape Getting fine finish quality Flat pass for grinding
Removing residual rolling oil Eliminating residual stress Recrystallization of grain size Preserving the brightness of finish
Improving flatness & roughness Increasing brightness Eliminating Luder's line Achieving the required mechanical properties
No.1 Steel Coil Surface Defect GrindingSurface grinding of cold rolled steel coil (No.3 or No.4)