| ICS | Field | 
|---|---|
| 77.020 | Production of metals | 
| 77.040 | Testing of metals | 
| 77.060 | 
                    Corrosion of metals Surface treatment and coating, see 25.220  | 
              
| 77.080 | 
                    Ferrous metals Including classification, designation, sampling, chemical analysis, etc. Dimensions and quality grades of iron and steel products, see 77.140  | 
              
| 77.100 | 
                    Ferroalloys Including classification, designation, sampling, chemical analysis, etc.  | 
              
| 77.120 | 
                    Non-ferrous metals Including classification, designation, sampling, chemical analysis, etc. Precious metals for dentistry, see 11.060.10 Precious metals for jewellery, see 39.060 Dimensions and quality grades of non-ferrous metal products, see 77.150  | 
              
| 77.140 | 
                    Iron and steel products Steel products for aerospace construction, see 49.025.10  | 
              
| 77.150 | 
                    Products of non-ferrous metals Including products of non-ferrous metal alloys Products of non-ferrous metals for aerospace construction, see 49.025  | 
              
| 77.160 | 
                    Powder metallurgy Including sintered metal materials and hard metals  | 
              
| 77.180 | Equipment for the metallurgical industry |