How to choose the material of steel structure

The quality of steel structure engineering and collocation is related to the life of the project and the safety of the house, so how to choose the appropriate material?

1, the quality of steel itself. Steel itself has strength and stretches, the ratio should be less than 1.2.

2, the toughness of itself. The weight of the steel structure in the performance is excellent.

3, anti-corrosion, fire, corrosion resistance must be up to standard.

4, the thickness of steel, steel thickness effect small, with the increasing of the thickness and strength will be reduced, the strength reduction of maximum amplitude should not be greater than 10%.

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