| Class | Class Name |
|---|---|
| 6 | branching pipes of metal |
| 6 | brass check valves |
| 6 | brass clips |
| 6 | brass compression check valves |
| 6 | brass compression fittings |
| 6 | brass compression gate valves |
| 6 | brass compression stop valves |
| 6 | brass decorative sheets |
| 6 | brass gate valves |
| 6 | brass hoses |
| 6 | brass locks |
| 6 | brass nails |
| 6 | brass padlocks |
| 6 | brass pipe and tubing |
| 6 | brass solder ring fittings |
| 6 | brass stop valves |
| 6 | brass studding |
| 6 | brass tacks |
| 6 | brass taps |
| 6 | brass threaded screws |
| 6 | brass tubes |
| 6 | brass, unwrought or semi-wrought |
| 6 | brazing alloys |
| 6 | bright steel bars |
| 6 | bronze |
| 6 | bronze products |
| 6 | bronzes for tombstones |
| 6 | bronzes [works of art] |
| 6 | buckles [not for clothing] made wholly or principally of common metal |
| 6 | buckles of common metal [hardware] |
| 6 | builders' hardware of common metals |
| 6 | builders' hardware of metal |
| 6 | building fittings of metal |
| 6 | building hardware of metal |
| 6 | building materials and buildings of metal |
| 6 | building materials made of metal |
| 6 | building materials made principally of common metal alloys |
| 6 | building materials of metal |
| 6 | building materials of metal |
| 6 | building panels of aluminium |
| 6 | building panels of metal |
| 6 | building parts of aluminium |
| 6 | building parts of metal |
| 6 | buildings and threatres of metal |
| 6 | buildings of metal |
| 6 | buildings, transportable, of metal |
| 6 | bungs of metal |
| 6 | burial vaults of metal |
| 6 | bushes of metal |
| 6 | busts of common metal |
