ICNEA 3140—Ferroalloy smelting

Where 3140 sits

1. C Manufacturing industry
2. 31 Ferrous metal smelting and rolling processing industry
3. 314 Ferroalloy smelting
4. 3140 Ferroalloy smelting

What 3140 includes

• Refers to the production activities of alloys composed of iron and one or more other metal or non-metallic elements.
• Including smelting activities for the following ferroalloys：
• Ordinary ferroalloys: blast furnace ferroalloys, electric furnace ordinary ferroalloys, electric furnace ferrosilicon;
• Special ferroalloys: special ferroalloys for electric furnaces, special silicon alloys for electric furnaces, ferroalloys for converter furnaces, ferroalloys for out-of-furnace methods, and other special ferroalloys;
• Smelting of manganese;
• The following product manufacturing activities are included in this category;
• Iron-based alloy powder (in the aviation field, such as A100, AF1410, HY180, etc are used for forming and repairing aircraft parts).

3140 in other systems