Features: Because it is not annealed, its hardness is very high (HRB is greater than 90), and the machining performance is extremely poor. Only a simple directional bending process of less than 90 degrees (perpendicular to the winding direction) can be performed. Some steel mills can produce four-fold processing.
High grade anti-theft door, food packaging, iron can printing, home appliance industry, chemical barrel manufacturing, automobile manufacturing and other industries.