| 420 / | HD | ALLOYS OR METALLIC COMPOSITIONS |
| 513 | DF | ZINC BASE {4} |
| 514 | DF | .~ Aluminum containing {3} |
| 515 | | .~.~ Copper containing {3} |
| 516 | DF | .~.~.~> Mangesium containing |
| 517 | DF | .~.~.~> Tin containing |
| 518 | DF | .~.~.~> Manganese, iron, cobalt, or nickel containing |