Steel is an alloy material mixed with iron and a certain proportion of carbon, which has high strength and toughness and is the main raw material of steel structure.
The main raw materials of iron and steel production include iron ore, manganese ore, chromium ore, limestone, fireclay, dolomite, siderite and other mineral raw ore and finished ore, artificial block ore, ferroalloy, coal washing, coke, gas and coal chemical products, refractory products, carbon products, etc. These raw materials through smelting, refining, rolling and other processes, the production of various specifications of steel, such as steel, steel plates, etc., for the manufacture of steel structures.
In addition, the manufacture of steel structures also requires auxiliary materials such as welding materials and coatings. Welding materials are used for welding steel structure materials, common welding materials are welding rods, welding wires and so on. The coating is used to protect the surface of the steel structure materials, mainly including anti-rust paint, fireproof paint, etc. The selection of these materials should be reasonable according to the specific use environment and requirements of the steel structure.
In general, the source of steel structure materials is diversified, covering ores, smelting, refining, rolling and other links, but also need welding materials, coatings and other auxiliary materials. The quality of these raw materials and auxiliary materials directly affects the performance and service life of the steel structure, so special attention needs to be paid to the selection and use.
