Improvements in or relating to the working of magnesium and its alloys

摘要

Locking-nuts are made of alloy of composition: Mn 0.2 per cent, Zn 0.7 per cent, Al 6.5 per cent, Mg 92.6 per cent, or of an alloy of composition: Mn 0.2 per cent, Zn 0.7 per cent, Al 8.5 per cent, Mg 90.6 per cent.