| 71 | | | HS Code for Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; jewelry; coins |
| 7106 | | HS Code for Silver (including silver plated with gold or platinum) unwrought or in semi- manufactured forms or in powder form |
| | 71061021 | The average particle size of <10 micron flake silver |
| 72 | | | HS Code for Cast iron, iron and steel |
| 7210 | | HS Code for Flat-rolled products of iron or non-alloy steel of a width of 600
mm or more clad plated or coated |
| | 72103000 | Galvanized iron or steel plate width |
| | 72104100 | Galvanized iron or corrugated steel plate width |
| | 72104900 | Galvanized steel or other iron-shaped sheet width |
| | 72106100 | Aluminum-zinc alloy plated or coated iron plate roll width |
| 7212 | | HS Code for Flat-rolled products of iron or non-alloy steel of a width of less than 600 mm clad plated or coated |
| | 72122000 | Galvanized sheet iron or steel narrow |
| | 72123000 | Other iron-plated or zinc coated sheet is narrower |
| 7217 | | HS Code for Wire of iron or non-alloy steel |
| | 72172000 | Zinc-plated or coated iron or alloy steel wire |
| 7225 | | HS Code for Flat-rolled products of other alloy steel of a width of 600 mm or more |
| | 72259100 | Other alloy galvanized wide flat-rolled |
| | 72259200 | Other zinc alloy plated or coated sheet width |
| 7226 | | HS Code for Flat-rolled products of other alloy steel of a width of less than 600 mm |
| | 72269910 | Other galvanized steel plate rolled narrow |
| | 72269920 | Other methods or other alloy plating zinc-coated |
| 73 | | | HS Code for Articles of iron, iron or steel |
| | 73143100 | Intersection welding zinc plated or coated steel fine wire mesh, |
| | 73144100 | Zinc-plated or coated steel mesh, grid fence and |
| 74 | | | HS Code for Copper and articles thereof |
| 7403 | | HS Code for Refined copper and copper alloys unwrought |
| | 74032100 | Unwrought copper-zinc alloy (brass) |
| | 74032200 | Copper-tin alloy unwrought (bronze) |
| 7406 | | HS Code for Copper powders and flakes |
| | 74061030 | Copper-zinc alloy (brass) non-flake |
| | 74061040 | Copper-tin alloy (bronze) manufactured by non-flake |
| 7407 | | HS Code for Copper bars rods and profiles |
| | 74071010 | Chromium zirconium copper bars, rods and profiles, |
| | 74072111 | Copper-zinc alloy (brass) of the rod |
| | 74072119 | Other copper-zinc alloy (brass) of the rod |
| | 74072190 | Copper-zinc alloy (brass) and profiles |
| 7408 | | HS Code for Copper wire |
| | 74082100 | Copper-zinc alloy (brass) wire |