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Industry News

Several types of steel materials

Source: Time:2016-01-19 08:55:21 浏览次数:

So far, Chinas construction steel structure is still based on the use of steel carbon structural steel and low alloy steel based, yet as a professional standard, like steel and boiler steel bridge, which history and development of construction steel the use of features related. Kelly Hang Xiao Bian today to introduce you several types of steel steel works now.

So far, Chinas construction steel structure is still based on the use of steel carbon structural steel and low alloy steel based, yet as a professional standard, like steel and boiler steel bridge, which history and development of construction steel the use of features related. Kelly Hang Xiao Bian today to introduce you several types of steel steel works now.


First, the classification and properties of carbon steel

Carbon steel is the most common engineering steels, the carbon content of their size, can be divided into low-carbon steel, carbon steel and high carbon steel. Such as: carbon content in the 0.03% -0.05% range is called low-carbon steel, carbon steel in said between 0.26% -0.6%, the carbon content of 0.6% -2% of .0 high carbon steel. Building steel structure works mainly use low-carbon steel.

Second, high-strength low-alloy structural steel

Add some amount of not more than 5% of the steel alloying elements in steel-making process. Steel alloying elements can significantly improve not only strength, but also the strength of steel components, stiffness, stability and other major indicators can have full control, especially in large-span structures or heavy loads more prominent advantages, generally comparable carbon structural steel elements steel consumption savings of about 200%

Third, atmospheric corrosion resistant steel (weathering steel)

In the smelting process of steel, adding a small amount of a specific alloying elements, generally refers to Cu. P. Cr.N1 etc., so that in the metal surface of the substrate forming a protective layer in order to improve the atmospheric corrosion of steel, referred to as the resistance of these steels atmospheric corrosion of steel or weathering steel. Chinas current production of this type of steel is divided into high weathering steel and two types of weathering steel welded structure.

Fourth, the bridge structural steel

Due to historical former prisoners, bridge construction steel has been a special standard, its provisions and technical requirements are generally strict in construction steel, in case of material substitution in the project, also belonged to the actor on behalf of poor, non-existent in use Any doubts.

Five other construction steel

In addition to the steel, the steel structure of the building occasionally use steel, high-strength steel, stainless steel.

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