| Class | Class Name |
|---|---|
| 6 | common metals |
| 6 | common metals and their alloys |
| 6 | common metals and their alloys in the form of beams |
| 6 | common metals and their alloys in the form of foils |
| 6 | common metals and their alloys in the form of poles |
| 6 | common metals and their alloys in the form of profiles |
| 6 | common metals and their alloys in the form of rails |
| 6 | common metals and their alloys in the form of rods |
| 6 | common metals and their alloys in the form of sheets |
| 6 | common metals and their alloys in the form of strips |
| 6 | common metals and their alloys in the form of tubes |
| 6 | common metals and their alloys sold in foil and powder form |
| 6 | common metals, unwrought or semi-wrought |
| 6 | components of metal for modular fencing |
| 6 | compost containers of metal |
| 6 | compressed-gas cylinders [metal] |
| 6 | compression containers of metal |
| 6 | conduit tubes of metal |
| 6 | connecting components of steel for formwork elements |
| 6 | connectors and fittings of metal for hoses |
| 6 | connectors and fittings of metal for pipes |
| 6 | connectors and fittings of metal for tubes |
| 6 | connectors of metal for tubes and pipes |
| 6 | construction elements made from light metal and steel |
| 6 | construction elements made of metal |
| 6 | construction fittings of metal |
| 6 | construction materials of metal |
| 6 | containers and closures, all being made of metal |
| 6 | containers, caps and closures made wholly or partly of metal |
| 6 | containers made of metal |
| 6 | containers made wholly or principally of metal and for use in the storage or carriage of goods |
| 6 | containers of aluminium foil for packaging drink |
| 6 | containers of common metal |
| 6 | containers of metal |
| 6 | containers of metal for compressed gas |
| 6 | containers of metal for compressed gas and gas mixtures |
| 6 | containers of metal for compressed gas or liquid air |
| 6 | containers of metal for liquefied gases and gas mixtures |
| 6 | containers of metal for liquid fuel |
| 6 | containers of metal for lubricants, oils, greases, chemicals, compressed gases and liquid fuel |
| 6 | containers of metal for storage |
| 6 | containers of metal for storing acids |
| 6 | containers of metal for storing, transporting and dispensing liquids |
| 6 | containers of metal for transport |
| 6 | containers of metal [storage, transport] |
| 6 | containers of metal used for storage and transport |
| 6 | containers, trays and utensils made of metal |
| 6 | continuous bars of metal for supporting wall units |
| 6 | control valves of metal, for controlling fluids and gases |
| 6 | copper |
