ASTM A320 L43 Stud bolt & Heavy Hex Nuts,A320 L7 Stud bolt
ASTM A320 L43 Stud bolt & Heavy Hex Nuts,A320 L7 Stud bolt ASTM A320 L43 Stud bolt is normally applied for the stud bolt size over than 2 1/2″,which is used for low temperature applications.ASTM A320 Grade L43 is a standard material specification for alloy steel bolting materials for pressure vessels, valves, flanges, and fittings for low temperature services. The mechanical Read more…