Spun alumininum is generally harder and thinner than other aluminum fabrication methods , and typically is used for cylindrically - oriented parts , fixtures , and devices.metal spinning has often been refererd to as horizontal pottery as a means of convaying the process to a layman .
Spun alumininum is generally harder and thinner than other aluminum fabrication methods , and typically is used for cylindrically - oriented parts , fixtures , and devices . 
 Metal spinning has often been refererd to as horizontal pottery as a means of convaying the process to a layman .