The low-magnification structure of the strip is not allowed to have defects such as cracks, inclusions, holes, delaminations, streaks, and center layer segregation that affect the use.
The macrostructure of the strip is not allowed to have cracks, inclusions, holes, delamination, stripes, central layer segregation and other defects that affect the use.
The macrostructure of the strip is not allowed to have defects such as cracks, inclusions, holes, delamination, streaks, segregation in the center layer, etc. that affect the use.