Prime quality prepainted galvanized steel 670mm

Prime quality prepainted galvanized steel 670mm System 1

Prime quality prepainted galvanized steel 670mm System 2

Prime quality prepainted galvanized steel 670mm System 3

Prime quality prepainted galvanized steel 670mm System 4

Prime quality prepainted galvanized steel 670mm

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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Pre-paint galvanized steel coil
	ASTM A755M-03	EN10169:2006	JISG 3312-2012
Commercial quality	CS	DX51D+Z	CGCC
Structure steel	SS GRADE 230	S220GD+Z	CGC340
SS GRADE 255	S250GD+Z	CGC400
SS GRADE 275	S280GD+Z	CGC440
SS GRADE 340	S320GD+Z	CGC490
SS GRADE550	S350GD+Z	CGC570
	S550GD+Z

Outdoor	Roof, roof structure, surface sheet of balcony, frame of window, door of garage, rolled shutter door, booth, Persian blinds, cabana, etc
Indoor	Door, isolater, frame of door, light steel structure of house, home electronic appliances, ect.

Specifications

Commodity Name: Prepainted Galvanized Steel Coil

Standard: AISI, ASTM, DIN, GB, JIS

Grade: TDC52D+Z

Thickness 0.13-8.0mm

Width:600mm-1350mm

Zinc Coating:275g/m2

Polyester Coating Thickness:Top and Back coating thickness depend by Buyer Requirement.

Polyester Coating Type:2/2,1/2m,1/2.

Polyester Type: Polyester, silicone modified polyester, high durability polyester (HDP), polyvinylidene fluoride (PVDF)

Unit Roll Weight:5-20tons

Place of Origin Shanghai , China (Mainland)

Surface Treatment :Color Coated

Manufacture Progress:HRC-CRC-GALVANIZED-COLOR COATED

Application : Construction, electrical, transportation, steel plant, composite board plant, steel tile factory

Payment & Shipping Terms:T/T ,L/C, and FOB CHINA

Minimum Order Quantity: 25Tons

Packge Type: Moisture-proof paper inner,Steel outside,Bundle by steel rope.

Package in Container : Wood as a foot pad, wire rope reinforcement,PPGI steel coil tied together by steel rope.

Q:What are the main challenges in the quality control of steel billets?: Several factors can affect the quality and performance of steel billets, posing significant challenges in their quality control. Here, we outline some key obstacles in this regard: 1. Chemical Composition: The accurate chemical composition of steel billets is pivotal in determining their strength, durability, and mechanical properties. However, ensuring consistent chemical composition is challenging due to variations in raw materials, melting processes, and the presence of impurities. 2. Homogeneity: It is crucial to achieve uniformity in the microstructure and composition throughout the steel billet. Inadequate mixing or non-uniform cooling can lead to inconsistencies, resulting in weak areas and uneven mechanical properties. 3. Defect Detection: Detecting and eliminating defects in steel billets is essential to prevent failures during subsequent processing and usage. Common defects include cracks, inclusions, segregation, porosity, and surface irregularities. However, accurately and promptly detecting these defects can be challenging due to their size, complexity, and location. 4. Dimensional Accuracy: Consistency in the dimensions and shape of steel billets is vital for their further processing and use in various applications. Maintaining precise dimensions requires controlling variables such as casting speed, cooling rates, and mold design. 5. Surface Quality: The condition of the surface of steel billets is critical for subsequent operations like rolling, forging, or machining. Ensuring a smooth, clean, and defect-free surface is challenging due to factors such as scale formation, oxidation, decarburization, and surface contamination during handling and storage. 6. Heat Treatment: Proper heat treatment is often necessary to achieve the desired mechanical properties in steel billets. However, controlling the heating and cooling rates, as well as the soaking times, can be challenging due to variations in equipment, temperature monitoring, and quenching techniques. 7. Traceability: Maintaining traceability and documentation throughout the production process is crucial for quality control. Tracking the origin of raw materials, process parameters, testing records, and certifications can be challenging, especially in complex supply chains. To address these challenges in the quality control of steel billets, a combination of advanced testing techniques, robust process controls, skilled personnel, and continuous improvement initiatives is necessary.

Q:How are steel billets used in the manufacturing of construction materials?: The manufacturing of construction materials relies heavily on steel billets, which are a necessary raw material. These semi-finished forms of steel serve as the initial stage for various construction products, including rebars, beams, columns, and plates. During the production process, steel billets undergo heating and are then passed through a series of rolling mills to achieve the desired shape. For example, when producing rebars, the billet is heated and rolled into long, slim bars of different diameters. These rebars are commonly used in construction to reinforce concrete structures, ensuring their durability and strength. Likewise, steel billets are utilized in the creation of beams, columns, and plates, which are essential elements in building construction. Beams provide structural support, while columns bear the weight of the structure and transmit loads to the foundation. Plates, on the other hand, find applications in flooring, walls, and roofing. The utilization of steel billets in construction materials offers numerous benefits. Steel, renowned for its high strength-to-weight ratio, provides exceptional structural integrity, resulting in more efficient and cost-effective construction. Furthermore, steel is highly ductile, allowing it to be easily shaped and molded into various forms, enabling versatility in design and construction. Additionally, steel is a durable material that exhibits excellent resistance to environmental factors like corrosion and fire. Consequently, steel construction materials have a long lifespan and are suitable for a wide range of applications, including high-rise buildings, bridges, and infrastructure projects. In conclusion, steel billets play a vital role in the manufacturing of construction materials. By being transformed into rebars, beams, columns, and plates, these billets provide the necessary strength, durability, and versatility required in the construction industry.

Q:How are steel billets used in the manufacturing of tools?: The production of tools relies on the use of steel billets, which serve as the starting material. Steel billets are semi-finished products that have a square or rectangular shape and are made of solid steel. They are created through a process called steelmaking, which involves melting iron ore to produce steel. To manufacture tools, the steel billets undergo a preliminary step of heating to a specific temperature known as the forging temperature. At this temperature, the steel becomes flexible and can be easily shaped. The billets are then shaped using various forging techniques, including hammering, pressing, or rolling, until they take on the desired form of the tool. Once the billets have been forged into the desired shape, they undergo further processing through machining operations. These operations, such as milling, drilling, grinding, or turning, are used to achieve the required dimensions and surface finish. Excess material is removed during this stage, and the tool's shape and features are refined. After the machining process, the tools undergo heat treatment to enhance their mechanical properties. This involves subjecting the tools to specific heating and cooling cycles, which alter their hardness, toughness, and resistance to wear. This step is crucial in ensuring that the tools can withstand the demanding conditions they will encounter during use. Finally, the tools are given a finishing touch and coating to provide protection against corrosion and improve their appearance. This can involve processes such as sandblasting, polishing, and the application of protective coatings like chrome plating or powder coating. In conclusion, steel billets play a vital role in the manufacturing of tools, serving as the raw material that undergoes forging, machining, heat treatment, and finishing. The properties of the steel billets, such as their composition and metallurgical characteristics, contribute significantly to the final quality, strength, and durability of the tools produced.

Q:How are steel billets used in the production of automotive suspension components?: Steel billets are used in the production of automotive suspension components due to their strength, durability, and malleability. Billets are essentially semi-finished steel products that are formed into specific shapes, such as bars or rods, through a process called hot rolling. In the case of automotive suspension components, steel billets are first heated to a high temperature and then passed through a series of rollers to shape them into the desired form, such as coil springs, shock absorber rods, or stabilizer bars. The hot rolling process helps to refine the grain structure of the steel, resulting in improved mechanical properties. The use of steel billets in suspension components is crucial as they provide the necessary strength and stiffness to withstand the various forces and loads encountered during vehicle operation. Suspension components, such as coil springs, are responsible for supporting the weight of the vehicle and providing a comfortable ride by absorbing impacts and vibrations. Steel billets are preferred for automotive suspension components due to their high tensile strength, which allows them to withstand heavy loads and maintain their shape over long periods. Additionally, the malleability of steel allows for easy forming and shaping into various complex geometries, ensuring a precise fit and functionality within the suspension system. Moreover, steel billets offer excellent fatigue resistance, which is crucial for suspension components as they undergo repetitive loading and unloading throughout the vehicle's lifespan. This fatigue resistance helps to prevent failure and ensures a long-lasting and reliable suspension system. Overall, the use of steel billets in the production of automotive suspension components is essential for achieving the necessary strength, durability, and performance required for safe and comfortable vehicle operation.

Q:Difference between medium frequency continuous casting billet and electric furnace continuous casting billet: In general, the difference between medium frequency furnace steelmaking and electric arc furnace steelmaking:1, intermediate frequency furnace slag can not, so the harmful elements such as P, S and other elements can not be removed, and the electric arc furnace can;2, if not blowing furnace carbon reduction, so C elements cannot be adjusted downward, and the arc furnace can only increase;

Q:Can steel billets be used in the production of electrical appliances?: Yes, steel billets can be used in the production of electrical appliances. Steel billets are semi-finished products that are typically used to produce various steel products, including electrical appliances. The steel billets can be further processed and shaped into different components required for electrical appliances, such as casings, frames, brackets, and other structural parts. The use of steel provides strength, durability, and corrosion resistance, making it suitable for the demanding requirements of electrical appliances. Additionally, steel is a widely available and cost-effective material, making it a preferred choice for manufacturing electrical appliances.

Q:What is a steel billet?: A steel billet is a semi-finished product in the form of a rectangular or square shape made from molten steel that has been solidified and cooled. It serves as a raw material for various steel products and is further processed through rolling or forging to be transformed into bars, rods, or other desired shapes.

Q:What are the different types of steel billet cutting processes?: There are several different types of steel billet cutting processes used in various industries. Some of the most common types include: 1. Shearing: This process involves using a shear machine to cut the steel billet into the desired shape. Shearing is typically used for cutting straight lines and is a cost-effective method for smaller billets. 2. Sawing: Sawing is another popular method for cutting steel billets. It involves using a circular or band saw to cut through the billet. Sawing is suitable for cutting both straight and curved lines, making it more versatile than shearing. 3. Flame cutting: Flame cutting, also known as oxy-fuel cutting, uses a combination of oxygen and a fuel gas (such as acetylene) to heat the steel to its ignition temperature. A high-pressure stream of oxygen is then directed onto the heated area, causing the steel to oxidize and melt away. This process is commonly used for cutting thicker steel billets. 4. Plasma cutting: Plasma cutting involves using a plasma torch to cut through the steel billet. The torch generates a high-temperature plasma arc that melts the metal, while a high-velocity gas stream blows away the molten metal. Plasma cutting is often used for cutting through thick steel billets or for creating intricate shapes. 5. Waterjet cutting: Waterjet cutting utilizes a high-pressure jet of water mixed with an abrasive material (such as garnet) to cut through the steel billet. The abrasive particles in the waterjet help erode the steel, allowing for precise and clean cuts. Waterjet cutting is commonly used for cutting complex shapes or materials that are sensitive to heat. These are just a few of the different types of steel billet cutting processes available. The choice of method depends on factors such as the size of the billet, desired shape, precision requirements, and the budget available.

Q:Can steel billets be customized according to specific requirements?: Yes, steel billets can be customized according to specific requirements. The size, shape, and chemical composition of the billets can be tailored to meet the specific needs of various industries and applications. Customization allows for enhanced performance, improved mechanical properties, and better compatibility with different manufacturing processes.

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