| 420 / | HD | ALLOYS OR METALLIC COMPOSITIONS |
|
| 469 |  | COPPER BASE {15} |
| 470 | DF | .~> Tin containing {5} |
| 477 | DF | .~> Zinc containing {5} |
| 485 | DF | .~> Nickel containing {3} |
| 489 | DF | .~> Aluminum, gallium, indium, or thallium containing |
| 490 | DF | .~> Silicon containing |
| 491 | DF | .~> Lead containing |
| 492 | DF | .~> Titanium, zirconium or hafnium containing |
| 493 | DF | .~> Manganese containing |
| 494 | DF | .~> Beryllium, magnesium, or alkaline earth metal containing |
| 495 | DF | .~> Other refractory metal containing |
| 496 | DF | .~> Iron or cobalt containing |
| 497 | DF | .~> Noble metal containing |
| 498 | DF | .~> Cadmium, or mercury containing |
| 499 | DF | .~> Phosphorus, arsenic, antimony, or bismuth containing |
| 500 | DF | .~> Sulfur, selenium, or tellurium containing |