Prime quality prepainted galvanized steel 680mm

Prime quality prepainted galvanized steel 680mm System 1

Prime quality prepainted galvanized steel 680mm System 2

Prime quality prepainted galvanized steel 680mm System 3

Prime quality prepainted galvanized steel 680mm System 4

Prime quality prepainted galvanized steel 680mm

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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:Can steel billets be used in marine environments?: Yes, steel billets can be used in marine environments. Steel is a commonly used material for marine applications due to its high strength, durability, and corrosion resistance. Steel billets can be further processed into various marine components such as shipbuilding plates, offshore structures, and marine equipment, making them suitable for use in marine environments.

Q:What are the main properties of steel billets?: Steel billets are semi-finished metal products that serve as the starting material for various steel products. They possess several important properties that make them suitable for further processing and shaping into different forms. Firstly, steel billets exhibit a high level of strength and durability. This is primarily due to the composition of steel, which is predominantly made up of iron with small amounts of carbon and other elements. This composition gives steel billets excellent mechanical properties, including high tensile strength and resistance to deformation. Secondly, steel billets have good heat transfer properties. Steel is known for its ability to conduct heat efficiently, which makes it an ideal material for applications where thermal conductivity is required, such as in the manufacturing of automotive parts or construction materials. Additionally, steel billets possess good machinability. Machinability refers to the ease with which a material can be shaped or formed using various machining processes. Steel billets can be easily cut, drilled, and shaped into desired forms, allowing for efficient processing and fabrication. Furthermore, steel billets have excellent weldability. Steel is known for its compatibility with welding processes, allowing for the joining of different steel components or the repair of damaged steel structures. This property is crucial in various industries, including construction, automotive, and shipbuilding. Lastly, steel billets have a high level of recyclability. Steel is one of the most recycled materials globally, with a significant portion of steel production being derived from recycled steel. This makes steel billets an environmentally friendly choice, as they can be recycled and repurposed multiple times without losing their properties. In summary, the main properties of steel billets include high strength and durability, good heat transfer properties, excellent machinability and weldability, and a high level of recyclability. These properties make steel billets a versatile and widely used material in various industries, ranging from construction and manufacturing to automotive and aerospace.

Q:How are steel billets used in the production of automotive steering systems?: Steel billets are an essential component in the production of automotive steering systems. These billets are typically made from high-quality steel and serve as the raw material for manufacturing various steering system components, such as shafts, gears, and housings. To begin the production process, steel billets are first heated and softened to make them more malleable. This allows the billets to be easily shaped and formed into the desired steering system components through processes like forging, rolling, or casting. The specific method used depends on the complexity and function of the component being produced. Once the desired shape is achieved, the steel billets are further processed to enhance their strength and durability. This may involve heat treatment techniques like quenching and tempering, which impart specific mechanical properties to the steel, such as improved hardness and toughness. These treatments ensure that the steering system components can withstand the high loads and vibrations experienced during operation. After the billets are properly shaped and treated, they undergo precision machining processes to achieve the required dimensional accuracy and surface finish. This involves cutting, drilling, and grinding the billets to create the necessary profiles and features that enable proper functioning within the steering system. Finally, the finished steering system components are assembled together with other parts to create the complete automotive steering system. These components, manufactured from steel billets, play a critical role in transmitting driver input to the wheels, allowing for precise control and maneuverability of the vehicle. Overall, steel billets are essential in the production of automotive steering systems as they provide the necessary strength, durability, and precision required for safe and efficient vehicle steering.

Q:How has the demand for steel billets changed over time?: Various factors have impacted the demand for steel billets, resulting in fluctuations over time. Historically, there has been a consistent increase in demand due to global industrialization and urbanization. As construction and infrastructure projects expanded, the need for steel billets as raw material also grew. However, economic cycles have affected the demand for steel billets. During periods of economic downturns, such as the 2008 global financial crisis, demand decreased as construction and manufacturing activities slowed. This led to an oversupply of steel billets, causing prices to drop and steel mills to reduce their demand. Recent years have seen the demand for steel billets influenced by global trends and geopolitical factors. The focus on sustainable development and environmental concerns has led to a rising demand for green construction materials, including recycled steel. To meet this demand, steel manufacturers have adjusted their production processes. Geopolitical factors, such as trade disputes and tariffs, have also impacted the demand for steel billets. The imposition of tariffs on steel imports by certain countries has reduced demand for imported billets while increasing demand for domestically produced ones. The COVID-19 pandemic had a significant impact on the demand for steel billets. Lockdowns, travel restrictions, and disrupted supply chains caused a decline in construction and manufacturing, resulting in reduced demand. However, as economies recover and governments implement stimulus measures for infrastructure projects, the demand for steel billets is expected to gradually recover. In conclusion, the demand for steel billets has fluctuated over time due to economic cycles, global sustainability trends, geopolitical factors, and the COVID-19 pandemic. Long-term growth in demand remains closely tied to construction and infrastructure development, necessitating adaptability from steel manufacturers.

Q:What are the different grades of steel billets?: There are several different grades of steel billets, each with its own specific properties and applications. Some of the commonly used grades include: 1. Mild Steel Billets: These are low carbon steel billets that are often used in general construction and engineering applications. They have a relatively low tensile strength and are easily weldable and formable. 2. Carbon Steel Billets: These contain a higher carbon content than mild steel billets, giving them increased strength and hardness. They are commonly used in the manufacturing of automotive parts, machinery, and tools. 3. Alloy Steel Billets: These are steel billets that have been alloyed with other elements such as chromium, nickel, or molybdenum to improve specific properties. Alloy steel billets offer enhanced strength, toughness, and corrosion resistance, making them suitable for applications in the aerospace, defense, and oil and gas industries. 4. Stainless Steel Billets: These billets contain high levels of chromium and nickel, which provide excellent corrosion resistance and durability. Stainless steel billets are commonly used in the production of kitchen appliances, cutlery, and medical equipment. 5. High-Speed Steel Billets: These billets are alloyed with tungsten, molybdenum, or vanadium to create a steel with exceptional hardness and heat resistance. High-speed steel billets are primarily used in the production of cutting tools such as drill bits and saw blades. It is important to note that the specific grades of steel billets can vary depending on the manufacturing standards and region. These grades are classified based on their chemical composition, mechanical properties, and intended applications, ensuring that the right steel billet is selected for the desired end use.

Q:What are the main factors affecting the corrosion resistance of steel billets?: The main factors affecting the corrosion resistance of steel billets are the composition of the steel, the presence of impurities, the surface condition, and the surrounding environment. Firstly, the composition of the steel plays a crucial role in its corrosion resistance. Stainless steels, for example, contain a high amount of chromium and other alloying elements that form a protective oxide layer on the surface, thereby providing excellent corrosion resistance. On the other hand, carbon steels have a lower resistance to corrosion due to their higher carbon content and lack of alloying elements. Secondly, the presence of impurities in the steel can significantly impact its corrosion resistance. Inclusions, such as sulfur, phosphorous, and non-metallic inclusions, can act as initiation sites for corrosion, leading to localized corrosion and reduced overall resistance. Therefore, controlling the presence and distribution of impurities during the production of steel billets is essential for enhancing corrosion resistance. Moreover, the surface condition of the steel billets plays a vital role in their corrosion resistance. A smooth and clean surface promotes the formation of a protective oxide layer that acts as a barrier against corrosive substances. Conversely, rough or contaminated surfaces can lead to accelerated corrosion due to increased surface area and potential for localized corrosion. Lastly, the surrounding environment greatly influences the corrosion resistance of steel billets. Factors such as humidity, temperature, pH, and the presence of corrosive substances like acids, salts, or pollutants can accelerate corrosion. For instance, steel billets exposed to high humidity or corrosive chemicals are more susceptible to corrosion than those in dry or less corrosive environments. In summary, the corrosion resistance of steel billets is influenced by the composition of the steel, the presence of impurities, the surface condition, and the surrounding environment. It is crucial to consider these factors during the production and handling of steel billets to ensure their long-term durability and resistance to corrosion.

Q:What are the different types of steel billet inspection techniques?: In the industry, various techniques are utilized for inspecting steel billets to ensure their quality and integrity before further processing or utilization in manufacturing. Some commonly employed inspection techniques comprise: 1. Visual Inspection: Inspectors visually examine the steel billets for surface defects like cracks, pits, or deformities, making it a quick and effective method for detecting obvious visual defects. 2. Dimensional Inspection: This technique involves measuring the dimensions of the steel billet using tools like Vernier calipers or micrometers, ensuring that the billets meet the required dimensional specifications. 3. Ultrasonic Testing: High-frequency sound waves are used in ultrasonic testing to detect internal defects or inconsistencies in the steel billets. This technique can identify defects like cracks, voids, or inclusions that may not be visible to the naked eye. 4. Magnetic Particle Inspection: By applying magnetic fields to the steel billets and utilizing iron particles or magnetic ink, this technique identifies surface and near-surface defects, particularly cracks or discontinuities. 5. Eddy Current Testing: Eddy current testing utilizes electromagnetic induction to detect surface defects and measure the conductivity or thickness of the steel billets. It is a non-destructive technique that can identify defects like cracks, corrosion, or variations in material thickness. 6. Radiographic Testing: X-rays or gamma rays are employed in this technique to inspect the internal structure of the steel billets, enabling the detection of defects like inclusions, voids, or improper internal structure. 7. Dye Penetrant Inspection: By applying a dye or fluorescent liquid to the steel billets, dye penetrant inspection detects surface defects. The dye seeps into cracks or discontinuities, and excess dye is wiped off, leaving only the dye trapped in the defects, which can be easily identified under UV light. These techniques are commonly used for inspecting steel billets, with each having its own advantages and limitations. The choice of technique depends on factors such as the type and size of the billets, the level of defect detection required, and budget constraints.

Q:What is the role of steel billets in the manufacturing of cutting tools?: Steel billets play a crucial role in the manufacturing of cutting tools. They serve as the raw material from which the cutting tool is forged or machined. Steel billets are typically made from high-quality steel alloys, which possess properties like hardness, toughness, and wear resistance that are essential for cutting tools. The first step in the manufacturing process involves heating the steel billets to a specific temperature, known as the forging temperature. This temperature allows the steel to become malleable, making it easier to shape and form into the desired cutting tool. The heated billets are then subjected to a forging process, where they are struck or pressed using specialized equipment to shape them into the desired form, such as drills, saws, or blades. After the initial forging, the billets are further machined to refine their shape and dimensions. Machining processes like milling, turning, and grinding are used to remove excess material, achieve the precise dimensions required for the cutting tool, and create the desired cutting edge geometry. The quality of the steel billets used in the manufacturing process greatly influences the performance and durability of the cutting tool. Steel billets with high carbon content and alloying elements like chromium, vanadium, or tungsten are often preferred, as they enhance the hardness, strength, and wear resistance of the cutting tool. These properties are crucial for ensuring that the cutting tool can withstand the high forces, temperatures, and abrasive conditions it will encounter during use. In summary, steel billets are the starting point for manufacturing cutting tools. They provide the necessary raw material and properties required to create high-quality cutting tools that exhibit excellent performance, durability, and precision.

Q:What is the role of steel billets in the manufacturing of storage tanks?: Steel billets play a crucial role in the manufacturing of storage tanks as they serve as the primary raw material for constructing the tank's structural framework. These billets are melted and poured into molds to create the desired tank shape, providing strength and durability to withstand the pressure and weight of various stored materials. Additionally, steel billets can be easily welded and shaped, allowing for customization and efficient assembly of storage tanks.

Q:Are steel billets used in the manufacturing of industrial machinery?: Yes, steel billets are commonly used in the manufacturing of industrial machinery. They serve as a primary raw material for various components and parts, providing strength, durability, and versatility required in heavy-duty applications.

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