Meaning of metallurgical industry
What is metallurgical industry:
The metallurgical industry is one where various activities related to the transformation and treatment of metals are carried out, with which a significant number of products are made that are used in different areas.
Blast furnaces and rolling mills are part of the metallurgical industry, used, for example, for the production of iron and steel parts, aluminum sheets, vehicle parts, ships, pipes, among many others.
The development and stability of the metallurgical industry is of great importance for the economy of a country, since it combines activities of the primary sector, such as the extraction of raw materials through mining, and the secondary sector, such as the transformation processes of these elements.
In this sense, the metallurgical industry depends to a great extent on obtaining raw materials, that is, metals, which are subjected to different metallurgical processes according to their chemical properties and the ores they have. Ores are elements from which metal can be extracted.
Materials used in the metallurgical industry
In the metallurgical industry, different types of materials are used, and among the most used the following can be mentioned:
- Ferrous metals: iron, nickel, chromium, among others.
- Non-ferrous metals: copper, aluminum, zinc (and its different alloys), lead, silver, gold, among others.
- Carbides: tungsten, tantalum, etc.
- Plastic materials: phenolic resins, amide resins, thermoplastic resins, alkyne polyesters, etc.
- Other materials: lubricants, fiberglass, asbestos, among others.
Among the processes that are carried out to transform a metal into a highly useful product are the following:
- The separation of the metal from the gangue.
- The refining, that is, the elimination of impurities.
- Physical operations such as: crushing, grinding, filtering, centrifuging, decanting, distillation, drying, among others.
- Chemical operations: oxidation, hydrometallurgy, leaching, among others.
Smelting, refining, rolling, welding, thermochemical treatments and recycling or reuse processes can also be mentioned, as the case may be. You can even distinguish other subsectors such as, for example, the steel industry.
These processes require a resistant and effective structure and equipment to keep them in optimal conditions against abrasive and corrosive media that can affect metals.