CCS D550 Steel Plate

 

 

 

Main Girder Structure

 

Advantages in Mechanical Properties: CCS D550 steel plates possess relatively high strength and are capable of withstanding huge bending stresses when applied in bridge main girders. When vehicles are traveling on the bridge, the main girders bear concentrated loads and distributed loads generated by the weight of the vehicles and the driving force. The high strength of CCS D550 steel plates ensures that the main girders will not undergo excessive deformation or failure under these complex loading conditions. For instance, in long-span bridges, the main girders made of CCS D550 steel plates can effectively distribute vehicle loads, reduce the mid-span deflection, and guarantee the smoothness of the bridge surface as well as the driving comfort.

 

Reflection of Economic Benefits: Compared with traditional low-strength steel plates, the use of CCS D550 steel plates can reduce the cross-sectional size of the main girders. This not only helps to lighten the self-weight of the bridge and cut down the infrastructure construction costs but also decreases the amount of steel used. For example, in a medium-span beam bridge, using CCS D550 steel plates to fabricate the main girders can save approximately 15% - 20% of the steel consumption compared to using ordinary steel plates. Meanwhile, due to the reduced self-weight, the bearing requirements for the substructures like piers are also correspondingly lowered, further saving the engineering costs.

 

Pier Section

 

Enhanced Durability: Piers have to endure multiple adverse factors during the service life of the bridge, such as water flow scouring, chemical erosion (such as seawater, acid rain, etc.), and ice loads (in cold regions). Through appropriate surface treatments (such as anti-corrosion coatings, galvanizing, etc.) and alloy composition design, CCS D550 steel plates can possess good corrosion resistance. In bridges located in some coastal areas or regions with serious industrial pollution, using CCS D550 steel plates to make piers can effectively resist seawater erosion and chemical corrosion, thus prolonging the service life of the piers. For example, the corrosion-resistant years of CCS D550 steel plate piers with special surface treatments in seawater can be increased by about 30% - 50% compared to those of ordinary steel plate piers.

 

 

 

 

 

 

 

Grade	Thickness	Yield Strength	Tensile Strength	Elongation	Impact Energy
	(mm)	MPa (min)	MPa	% (min)	(KV J) (min)
					-20 degree
CCS D550	8-260	550	670-830	16	37J

 

 

 

 

Improved Bearing Capacity: In terms of bearing the weight of the superstructure of the bridge and vehicle loads, the high-strength characteristic of CCS D550 steel plates plays a crucial role. It can provide sufficient compressive strength and shear strength to ensure the stability of the piers under various load combinations. For high piers or piers of long-span bridges, the advantages of this high-strength material are even more evident. For example, in the construction of long-span suspension bridges in mountainous areas, the piers made of CCS D550 steel plates can better bear the huge vertical and horizontal forces transmitted by the main cables, thus ensuring the overall safety of the bridge structure.

 

Bridge Deck Application

 

Adaptation to Complex Environments: Bridge decks are directly exposed to the natural environment and need to withstand the influences of factors such as temperature changes and rainwater scouring. The good thermal stability and anti-scouring performance of CCS D550 steel plates enable them to adapt to these complex environmental conditions. In some regions with large seasonal temperature differences, the bridge decks will not generate excessive deformations or cracks due to thermal expansion and contraction. Moreover, under severe weather conditions like heavy rainstorms, they can also resist the scouring of rainwater and maintain the integrity of the structure.

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our CCS D550 Steel Plate, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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