 
| Class | Class Name | 
|---|---|
| 6 | steel alloys | 
| 6 | steel and metal alloys in the form of bands | 
| 6 | steel and metal alloys in the form of bars | 
| 6 | steel and metal alloys in the form of plates | 
| 6 | steel and metal alloys in the form of sheets | 
| 6 | steel and metal alloys in the form of strips | 
| 6 | steel and metal alloys in the form of tubes | 
| 6 | steel and metal alloys in the form of wires | 
| 6 | steel balls | 
| 6 | steel bars | 
| 6 | steel blooms [metallurgy] | 
| 6 | steel boards | 
| 6 | steel bolts | 
| 6 | steel bottles for compressed gas | 
| 6 | steel buildings | 
| 6 | steel cables | 
| 6 | steel castings | 
| 6 | steel cloth hooks | 
| 6 | steel door hinges | 
| 6 | steel forgings | 
| 6 | steel frames for cushion making | 
| 6 | steel gates | 
| 6 | steel masts | 
| 6 | steel nails | 
| 6 | steel panels for office flooring | 
| 6 | steel pipes | 
| 6 | steel plates for making moulds | 
| 6 | steel powder | 
| 6 | steel profiled section | 
| 6 | steel profiles | 
| 6 | steel reinforcement for use in the construction of concrete floors | 
| 6 | steel reinforcing corners | 
| 6 | steel sheets | 
| 6 | steel strands | 
| 6 | steel strip | 
| 6 | steel tubes | 
| 6 | steel, unwrought or semi-wrought | 
| 6 | steel wire | 
| 6 | steel wire rope slings | 
| 6 | steel wire ropes | 
| 6 | steel wire stands | 
| 6 | steel wires for making plastic pipes and tubes | 
| 6 | steel wires for making vehicle and aircraft wheel tyre tubes | 
| 6 | steels | 
| 6 | step stools of metal | 
| 6 | steps [ladders] of metal | 
| 6 | steps of metal | 
| 6 | stop collars of metal | 
| 6 | stop valves of metal | 
| 6 | stoppers for bottles, of metal |