Prime quality prepainted galvanized steel 685mm

Prime quality prepainted galvanized steel 685mm System 1

Prime quality prepainted galvanized steel 685mm System 2

Prime quality prepainted galvanized steel 685mm System 3

Prime quality prepainted galvanized steel 685mm System 4

Prime quality prepainted galvanized steel 685mm

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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 different steelmaking processes used for producing steel billets?: There are several different steelmaking processes used for producing steel billets. These processes vary in terms of their efficiency, cost-effectiveness, and the quality of the steel produced. Some of the commonly used steelmaking processes for producing steel billets include: 1. Electric Arc Furnace (EAF): This process involves melting recycled steel scrap using an electric arc. The EAF process is known for its flexibility, as it can use a wide range of steel scrap and produce steel with different compositions. It is also considered more environmentally friendly compared to other processes. 2. Basic Oxygen Furnace (BOF): The BOF process involves blowing oxygen into the molten iron, which helps remove impurities and control the composition of the steel. This process is commonly used for producing large quantities of steel and is known for its high productivity. 3. Induction Furnace: The induction furnace process uses electromagnetic induction to heat the steel scrap. It is commonly used for small-scale steel production and is known for its efficiency and precise temperature control. 4. Continuous Casting: This process involves pouring molten steel into a water-cooled mold, which solidifies the steel into a billet shape. Continuous casting is known for its high production rates and ability to produce steel with consistent quality. 5. Ingot Casting: In this process, molten steel is poured into molds to produce ingots, which can later be processed into billets. While this process is less commonly used due to its lower efficiency and quality compared to continuous casting, it is still used in certain applications. It is important to note that the choice of steelmaking process depends on various factors, including the desired quality of the steel, production volume, cost considerations, and environmental impact. Each process has its own advantages and limitations, and steel producers carefully select the most suitable process based on their specific requirements.

Q: Are steel billets used in the production of sporting goods?: Yes, steel billets are commonly used in the production of sporting goods. They are often utilized to create various components such as the shafts of golf clubs or the frames of bicycles. Steel billets provide durability and strength to these sporting goods, making them suitable for intense physical activity.

Q: How are steel billets used in the manufacturing of automotive chassis?: Due to their strength and durability, steel billets are essential in the production of automotive chassis. Obtained through casting molten steel into a rectangular shape, they serve as the raw material for various automotive components, including the chassis. The automotive chassis provides structural support and stability to the vehicle, bearing the load and impacts during driving. The main frame of the chassis, made from steel billets, forms the backbone of the vehicle. To shape the steel billets, they are heated and passed through rolling mills. This process increases their strength and rigidity, making them suitable for the demanding conditions of the chassis. The billets are then welded together using techniques like arc welding or laser welding to create the chassis structure. This ensures a solid and reliable connection that can withstand the stresses and forces experienced during operation. Using steel billets in the manufacturing of automotive chassis offers several advantages. Steel's high tensile strength allows it to withstand heavy loads and impacts without deforming or failing. It also has excellent fatigue resistance, ensuring the structural integrity of the chassis under repeated stress cycles. Additionally, steel is readily available, cost-effective, and easily recyclable, making it a preferred choice for automotive manufacturers. Its excellent corrosion resistance is crucial for vehicles exposed to various weather conditions and road environments. In conclusion, steel billets are crucial for manufacturing automotive chassis as they provide the necessary strength and durability. Shaped and welded together, they form the main frame of the chassis, ensuring the safety and performance of the vehicle under demanding driving conditions.

Q: What is the role of steel billets in the construction of dams and reservoirs?: Steel billets are used in the construction of dams and reservoirs primarily for reinforcement purposes. They provide strength and durability to the concrete structures, ensuring they can withstand the immense pressure and load exerted by water. By reinforcing the concrete with steel billets, the overall structural integrity and stability of the dam or reservoir is significantly enhanced, helping to prevent any potential failures or collapses.

Q: How do steel billets contribute to the overall cost-effectiveness of a project?: Steel billets contribute to the overall cost-effectiveness of a project in several ways. Firstly, steel billets are the starting material for various steel products, such as beams, bars, and sheets. By using steel billets, manufacturers can produce these products in a cost-effective manner, as billets are usually cheaper than finished steel products. Moreover, steel billets allow for efficient use of resources. They can be easily melted down and molded into different shapes and sizes, minimizing waste during the production process. This flexibility reduces the amount of raw material required, leading to cost savings. Furthermore, steel billets have excellent strength and durability properties. By using steel billets in construction projects, engineers can ensure that the structures are sturdy and long-lasting. This helps to reduce maintenance and repair costs over time, making the project more cost-effective in the long run. Additionally, steel billets are readily available in the market, making them a cost-effective choice for projects with tight timelines. Manufacturers can easily source steel billets from various suppliers, ensuring a steady supply of material for the project. Lastly, steel billets contribute to cost-effectiveness through their recyclability. Steel is one of the most recycled materials globally, and using recycled steel billets can significantly reduce the cost of production. Recycling steel billets also helps to minimize the environmental impact of a project, making it a more sustainable and cost-effective option. Overall, steel billets play a vital role in the cost-effectiveness of a project by providing a cost-effective starting material, minimizing waste, ensuring durability, offering availability, and promoting recycling.

Q: What is the typical composition of a steel billet?: The typical composition of a steel billet can vary depending on the specific grade and intended application. However, in general, a steel billet is primarily composed of iron, carbon, and other alloying elements. Iron is the main component of steel, typically making up around 98% of its composition. It provides the structural strength and durability of the material. Carbon is the second most important element, typically ranging from 0.02% to 2.1%. It plays a crucial role in determining the hardness and strength of the steel. Apart from iron and carbon, steel billets often contain various alloying elements to enhance specific properties. These alloying elements may include manganese, silicon, nickel, chromium, molybdenum, vanadium, and others. Each element contributes to different characteristics such as corrosion resistance, heat resistance, toughness, or machinability. Additionally, steel billets are often produced through processes like continuous casting or hot rolling, which can introduce small amounts of impurities. These impurities can include sulfur, phosphorus, and oxygen, which are typically kept to very low levels to maintain the desired quality of the steel. Overall, the typical composition of a steel billet encompasses a combination of iron, carbon, alloying elements, and minor impurities, which are carefully controlled to achieve the desired mechanical properties and performance for a wide range of applications, such as construction, automotive, aerospace, and manufacturing industries.

Q: How are steel billets used in the manufacturing of industrial machinery parts?: Steel billets are an essential component in the manufacturing of industrial machinery parts due to their unique properties and versatility. These billets are semi-finished steel products that are typically cast in a square or rectangular shape. They serve as the starting material for various industrial machinery parts, including gears, shafts, pistons, and other critical components. The first step in utilizing steel billets is to heat them to a specific temperature, which allows for easier manipulation and shaping. Once heated, the billets undergo a process called hot rolling, where they are passed through a series of rollers to reduce their cross-sectional area and increase their length. This process not only enhances the strength and durability of the steel but also refines its microstructure, resulting in improved mechanical properties. After hot rolling, the steel billets are typically further processed through machining operations such as cutting, drilling, milling, and grinding to achieve the desired dimensions and specifications required for specific machinery parts. These operations ensure precision and accuracy, allowing for seamless integration of the parts into the overall machinery assembly. Steel billets are particularly favored in the manufacturing of industrial machinery parts due to their high strength, toughness, and resistance to wear and tear. Their excellent machinability enables complex designs and intricate patterns to be achieved, ensuring optimal functionality and performance of the machinery. Moreover, steel billets can be easily welded, making them suitable for joining multiple parts together to create more substantial and robust structures. In conclusion, steel billets play a crucial role in the manufacturing of industrial machinery parts. By providing a strong, durable, and versatile starting material, they enable the creation of precise and reliable components that ensure the smooth operation of industrial machinery in various sectors such as manufacturing, construction, and transportation.

Q: What are the different types of extrusion processes used for shaping steel billets?: There are several different types of extrusion processes used for shaping steel billets. These processes are commonly employed in the manufacturing industry to produce a wide range of steel products with varying shapes and sizes. Some of the commonly used extrusion processes for shaping steel billets include: 1. Hot extrusion: This process involves heating the steel billet above its recrystallization temperature and then forcing it through a die to shape it into the desired form. The high temperature makes the steel more malleable, allowing for easier extrusion and shaping. 2. Cold extrusion: In contrast to hot extrusion, cold extrusion involves shaping the steel billet at room temperature or slightly above. This process is commonly used for producing smaller parts or components that require high precision and a smooth finish. 3. Direct extrusion: Direct extrusion involves placing the steel billet into a container or chamber with a die at one end. A ram or plunger is then used to apply force on the billet, pushing it through the die and shaping it into the desired form. This process is commonly used for producing long and continuous shapes, such as rods, tubes, and bars. 4. Indirect extrusion: In indirect extrusion, the steel billet is placed inside a chamber with a die at one end, similar to direct extrusion. However, in this process, the die is stationary, and the force is applied to the container or chamber, causing it to move and push the billet through the die. Indirect extrusion is often used for producing complex shapes that require more control over the extrusion process. 5. Impact extrusion: Impact extrusion is a specialized form of extrusion that involves shaping the steel billet using a high-velocity impact force. The billet is placed inside a die, and a punch or hammer strikes the billet, causing it to flow and shape into the desired form. This process is commonly used for producing hollow or tubular shapes, such as cans or containers. These are just a few of the different types of extrusion processes used for shaping steel billets. Each process has its own advantages and limitations, depending on the desired shape, size, and properties of the final product. Manufacturers choose the most appropriate extrusion process based on their specific requirements and considerations.

Q: How are steel billets used in the manufacturing of oil and gas equipment?: The production of oil and gas equipment heavily relies on steel billets. These semi-finished steel products act as the foundation for creating various equipment used in the oil and gas industry. Steel billets are primarily used in pipe manufacturing. To withstand high pressure, extreme temperatures, and corrosive environments, oil and gas pipes require raw materials that can meet these demanding requirements. Steel billets are heated, pierced, and elongated through extrusion to form seamless pipes. Alternatively, they can be rolled and welded to create longitudinally welded pipes. Additionally, steel billets are essential in the production of valves, fittings, and flanges. Valves are critical in controlling the flow of oil and gas, while fittings connect pipes and change their direction. Flanges provide a means of connecting pipes, valves, and other equipment through bolting. All of these components require steel billets as a starting material, which are then machined, shaped, and heat-treated to meet necessary specifications. Furthermore, steel billets are utilized in the fabrication of drilling equipment and offshore structures. Drilling equipment, including drill bits, drill collars, and drill pipes, are vital for oil and gas exploration and extraction. High-quality steel billets are crucial to ensure the strength and durability of these components, which endure intense forces and harsh conditions. Offshore structures, such as platforms and rigs, also rely on steel billets to construct frameworks and support systems that withstand the challenging marine environment. In conclusion, steel billets are irreplaceable in the manufacturing of oil and gas equipment. They serve as the raw material for pipes, valves, fittings, flanges, drilling equipment, and offshore structures. By starting with high-quality steel billets, manufacturers can produce durable and reliable equipment capable of withstanding the demanding conditions of the oil and gas industry.

Q: What are the main factors affecting the mechanical properties of steel billets?: The mechanical properties of steel billets can be influenced by several main factors. 1. The chemical composition of steel, including the levels of carbon, alloying elements, and impurities, plays a crucial role in determining its mechanical properties. Higher carbon content typically leads to increased strength but decreased ductility. Alloying elements like manganese, nickel, and chromium can enhance specific properties such as hardness, toughness, or corrosion resistance. 2. The mechanical properties of steel billets can be greatly influenced by the heat treatment process. This process involves controlled heating and cooling of the billets. Various heat treatment methods, such as annealing, quenching, and tempering, can modify the microstructure and subsequently impact the hardness, strength, and toughness of the steel. 3. The microstructure of steel, which is determined by the cooling rate during solidification or heat treatment, is another significant factor. The presence of different phases, grain size, and distribution of alloying elements within the microstructure can have a significant impact on the mechanical properties of the steel. 4. The manufacturing process used to produce steel billets also affects their mechanical properties. Factors like the casting method, rolling or forging techniques, and the presence of defects or impurities introduced during production can influence the final properties of the billets. 5. Temperature is a crucial factor that influences the mechanical properties of steel. It can affect the strength, ductility, and toughness of the material. For example, as the temperature decreases, steel tends to become more brittle, while at elevated temperatures, it may exhibit reduced strength and increased ductility. 6. The strain rate, which refers to the rate at which a load is applied to the steel billets, can also impact their mechanical properties. High strain rates, such as those experienced during rapid impact or dynamic loading, can result in different behavior and failure mechanisms compared to slower or static loading conditions. It is important to note that these factors are interconnected, and changes in one factor can influence others. This complex interaction can lead to a wide range of possible mechanical properties for steel billets.

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