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Classification of steel use

Structural steel for construction and engineering is referred to as construction steel, which refers to the steel used to make metal structural parts in buildings, bridges, ships, boilers or other projects. Such as carbon structural steel, low alloy steel, reinforcement steel, etc.

structural steel
(1) Structural steel for construction and engineering is referred to as construction steel, which refers to the steel used to make metal structural parts in buildings, bridges, ships, boilers or other projects. Such as carbon structural steel, low alloy steel, reinforcement steel, etc.
(2) Structural steel for mechanical manufacturing refers to the steel used for manufacturing structural parts on mechanical equipment. This kind of steel is basically high-quality steel or high-grade high-quality steel, mainly including high-quality carbon structural steel, alloy structural steel, free cutting structural steel, spring steel, rolling bearing steel, etc
chisel tool steel
It is generally used to manufacture various tools, such as carbon tool steel, alloy tool steel, high-speed tool steel, etc. It can also be divided into cutting tool steel, mould steel and measuring tool steel according to its use.
special steel
Steel with special properties, such as stainless acid resistant steel, heat resistant non peeling steel, high resistance alloy, wear-resistant steel, magnetic steel, etc.
Professional steel
This refers to steel used for professional purposes in various industrial sectors, such as automobile steel, agricultural machinery steel, aviation steel, chemical machinery steel, boiler steel, electrical steel, welding rod steel, etc.
According to the quality of steel
High quality carbon structural steel, alloy structural steel, carbon tool steel and alloy tool steel, spring steel, bearing steel, etc
The symbol "A" or Chinese character "Gao" is usually added after the steel number for identification.

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