GL-F550 Steel Plate

 

Nickel (Ni)

 

Strengthening Principle: When nickel is added to steel, nickel atoms will enter the iron lattice to form a substitutional solid solution. The nickel atoms and iron atoms are of different sizes, which will cause lattice distortion. When dislocations move in this distorted lattice, they will be hindered, thus increasing the yield strength and tensile strength of the material. For example, in some low - temperature steels, the addition of nickel can significantly improve the strength and toughness of the steel. When the nickel content reaches about 9%, this kind of steel can still maintain good strength and toughness in a low - temperature environment and can be used to manufacture low - temperature equipment such as the tanks of liquefied natural gas (LNG) carriers.

 

Application Scenarios: Besides low - temperature equipment, nickel - containing alloy steels are also widely used in corrosive environments and situations where good comprehensive mechanical properties are required. For example, in some chemical equipment, nickel - containing alloy steels can resist the corrosion of a variety of chemical media and have sufficient strength to bear the internal pressure of the equipment.

 

Silicon (Si)

 

Strengthening Principle: Silicon can also form a substitutional solid solution in steel. Silicon atoms are slightly smaller than iron atoms, and its addition will change the lattice parameters and lead to lattice distortion. When dislocations move in this distorted lattice, they need to overcome additional resistance. In carbon steel, adding an appropriate amount of silicon (generally not more than 2.0%) can increase the yield strength of the steel. At the same time, silicon can also increase the elastic limit of the steel, which is very beneficial for some components that need to withstand elastic deformation, such as springs.

 

Application Scenarios: Because silicon can increase the elastic limit of steel, it is often added when manufacturing spring steel and some mechanical parts that require elastic deformation. For example, in the suspension springs of automobiles, the silicon - added spring steel can maintain good elastic performance during long - term vibration and stress, and at the same time has sufficient strength to support the weight of the vehicle body.

 

 

 

 

 

 

 

 

GL F550 extra High strength property in Tempering and Quenching
Grade	Mechanical Property			Charpy V Impact Test
	Yield	Tensile	Elongation	Degree	Energy 1	Energy 2
GL F550	Min Mpa	Mpa	Min %	-60	J	J
	550	670-830	16%		37	55

 

Copper (Cu)

 

Strengthening Principle: Copper mainly improves the strength of steel through solid - solution strengthening. After copper atoms enter the iron lattice, they will cause lattice distortion and hinder the movement of dislocations. In some weather - resistant steels, the addition of copper can improve the strength of the steel and enhance its atmospheric corrosion resistance. When the copper content is about 0.2% - 0.5%, the corrosion rate of the steel in the atmospheric environment is significantly reduced, and the strength is also improved. This is because copper forms a dense protective film on the surface of the steel, preventing the intrusion of corrosive media such as oxygen and water, and its solid - solution strengthening effect also helps to resist deformation.

 

Application Scenarios: Weather - resistant steels are often used in outdoor facilities such as building structures and bridges. Without additional anti - corrosion treatment, they can withstand the erosion of the atmospheric environment for a long time and at the same time ensure the strength and stability of the structure. Steels with an appropriate copper content can also be used to manufacture some containers and pipelines that require a certain strength and corrosion resistance.

 

 

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 GL-F550 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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