.~ Age or precipitation hardened or strengthened {7}
419
.~.~ Containing over 50 percent metal, but no base metal
DEFINITION
Classification: 148/419
Containing over 50 percent metal, but no base metal:
(under subclass 405) Stock material which contains over 50 percent of total metal by weight, but wherein no single metal is present in an amount over 50 percent by weight.