Prime quality prepainted galvanized steel 625mm
- Ref Price:
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Construction building material galvanized color prepainted cold
rolled steel coil
Prepainted steel sheet is coated with organic layer, which provides higher anti-corrosion property and
a longer lifespan than that of galvanized steel sheets.
The base metals for prepainted steel sheet consist of cold-rolled, HDG electro-galvanized and hot-dip
Alu-zinc coated. The finish coats of prepainted steel sheets can be classified into groups as follows:
polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc
Standard and Grade :
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 |
Application:
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. |
- Q:
- Steel billets play a crucial role in the production of automotive components. These billets are semi-finished metal products that serve as the raw material for various parts used in the automotive industry. Firstly, steel billets are used to manufacture engine components such as crankshafts, camshafts, and connecting rods. These are vital parts that contribute to the smooth functioning of the engine. The strong and durable properties of steel make it an ideal material for these components, ensuring they can withstand the high temperatures and pressures within the engine. Secondly, steel billets are used to produce chassis and suspension components. These include parts like control arms, steering knuckles, and axle shafts, which are responsible for the vehicle's stability, maneuverability, and overall performance. Steel's high strength-to-weight ratio and excellent fatigue resistance make it suitable for these safety-critical components. Furthermore, steel billets are utilized in the production of transmission and drivetrain components. These include gears, shafts, and clutch plates, which are essential for transmitting power from the engine to the wheels. Steel's toughness, wear resistance, and ability to handle high torque loads make it an ideal material for these parts, ensuring their durability and reliability. Additionally, steel billets are used in the manufacture of body and interior components. These can include door hinges, brackets, seat frames, and various structural parts. Steel's versatility, formability, and corrosion resistance make it an excellent choice for these components, providing strength and protection to the vehicle's occupants. Overall, steel billets form the foundation for the production of a wide range of automotive components. They provide the necessary strength, durability, and reliability required for critical parts in engines, chassis, transmission systems, and body structures. Without steel billets, the automotive industry would struggle to produce high-quality and safe vehicles.
- Q:
- Steel billets are an essential component in the manufacturing of marine equipment due to their unique properties and versatility. These billets, which are semi-finished steel products in a rectangular or square cross-section, play a crucial role in the production of various marine equipment such as ship hulls, propellers, offshore platforms, and marine engines. Firstly, steel billets are used in the construction of ship hulls. The high strength and durability of steel make it an ideal material for withstanding the harsh marine environment, including corrosion, extreme temperatures, and pressure. These billets are forged and shaped into plates, sections, and profiles, which are then welded together to form the hull structure. The use of steel billets ensures that the ship is robust, capable of carrying heavy loads, and resistant to the corrosive effects of seawater. Furthermore, steel billets are utilized in the manufacturing of propellers, one of the most critical components of marine equipment. Propellers are responsible for generating thrust and enabling the movement of ships and boats through the water. Steel billets are forged and machined to create the propeller blades, ensuring they possess the required strength, hardness, and hydrodynamic properties necessary for efficient propulsion. In addition, steel billets are crucial in the construction of offshore platforms used in oil and gas exploration and production. These platforms, which can be fixed or floating, require a robust and stable structure to withstand the harsh marine conditions. Steel billets are used to fabricate the columns, braces, and beams that provide the necessary strength and stability to these platforms. The high load-bearing capacity and corrosion resistance of steel make it an ideal choice for such applications. Lastly, steel billets are employed in the manufacturing of marine engines, which power various vessels. These billets are forged and machined to create the engine components such as crankshafts, connecting rods, and cylinder blocks. Steel's excellent mechanical properties, including high tensile strength, toughness, and wear resistance, ensure that the marine engines can operate reliably and efficiently under demanding conditions. In conclusion, steel billets are indispensable in the manufacturing of marine equipment. They provide the strength, durability, and corrosion resistance required to withstand the harsh marine environment. Whether it is ship hulls, propellers, offshore platforms, or marine engines, steel billets play a vital role in ensuring the safety, performance, and longevity of marine equipment.
- Q:What is Alfa carbon? What is beta carbon?
- Alfa is directly connected with the functional groups of carbon atoms of carbon atoms, such as CH3CH2COOH CH2 in which methylene propionate is Alfa carbon carbon carbon atom is the beta carbon atom is directly connected with the functional groups and the connection of the carbon (around Kazakhstan), such as the CH3CH2COOH CH3 propionic acid methyl carbon is the beta carbon
- Q:
- Steel billets are heated for rolling using a process called induction heating, where an electric current is passed through the billets to generate heat. This method allows for precise and efficient heating, ensuring uniform temperature distribution throughout the billets.
- Q:
- Steel billets are a crucial component in the manufacturing of construction equipment. These billets, which are essentially semi-finished steel products, serve as the primary raw material for creating various components and structures used in construction machinery. One of the main applications of steel billets in construction equipment manufacturing is for forging and casting processes. Billets are heated to high temperatures and then forged or cast into different shapes and sizes based on the specific requirements of the equipment being produced. Components such as gears, connecting rods, axle shafts, and hydraulic cylinders are commonly manufactured using this method. Furthermore, steel billets are also used in the production of structural components in construction equipment. These billets are typically shaped into beams, columns, and plates through hot rolling or cold drawing processes. These structural components provide the necessary strength and stability to the construction equipment, ensuring durability and long-lasting performance. Moreover, steel billets are utilized in the fabrication of frames and chassis of construction machinery. The billets are cut, shaped, and welded together to form a robust and sturdy framework that serves as the backbone of the equipment. This framework provides structural integrity, support, and rigidity to the construction equipment, allowing it to withstand heavy loads, vibrations, and harsh working conditions. In addition to the aforementioned applications, steel billets are also used to create other essential parts of construction equipment, such as buckets, blades, cutting edges, and tracks. These parts are crucial for the efficient operation of machinery like excavators, bulldozers, cranes, and loaders. Overall, steel billets play a vital role in the manufacturing of construction equipment by providing the necessary raw material for forging, casting, and fabricating various components and structures. The use of high-quality steel billets ensures that the construction equipment possesses the required strength, durability, and resilience to perform optimally in demanding construction environments.
- Q:
- The cost of producing steel billets can vary depending on various factors such as the quality of the raw materials used, the production process employed, and the market conditions. Generally, the cost of producing steel billets includes several components. Firstly, the cost of raw materials, which typically include iron ore, coal or coke, and other alloying elements. The prices of these materials can fluctuate based on global market dynamics and availability. Secondly, the cost of energy is a significant factor in steel billet production. This includes the cost of electricity and fuel required for the manufacturing process, such as powering the blast furnaces or electric arc furnaces used to melt the raw materials. Thirdly, labor costs play a crucial role in the overall cost of production. This includes wages for skilled and unskilled workers involved in operating the machinery, maintaining equipment, and overseeing the production process. Additionally, there are indirect costs that need to be considered, such as maintenance and repair expenses for machinery, transportation costs for raw materials and finished products, and overhead costs related to administrative functions. It is important to note that the cost of producing steel billets can also be influenced by external factors like government regulations, tariffs, and taxes. Furthermore, market demand and competition can impact pricing strategies and ultimately affect production costs. Therefore, providing an exact cost figure for producing steel billets is challenging as it is subject to constant fluctuations. It is best to consult industry experts or steel manufacturers for the most accurate and up-to-date information on production costs.
- Q:
- Steel billets are used in the production of sheet metal through a process known as rolling. Rolling is a technique that involves passing steel billets through a series of rollers to reduce their thickness and create a flat sheet. The first step in the process is to heat the steel billets to a specific temperature to make them more malleable. Once heated, the billets are then fed into a rolling mill, where they pass through a series of rollers that gradually decrease the thickness of the steel. As the billets are rolled, they are compressed and elongated, resulting in a thinner and longer piece of steel. This process is repeated multiple times, with each pass reducing the thickness of the steel sheet. Once the desired thickness is achieved, the sheet is cooled and cut into specific lengths. The final product is a flat sheet of sheet metal that can be further processed and used in various industries, such as construction, automotive, and manufacturing. Steel billets play a crucial role in the production of sheet metal as they provide the raw material from which the sheets are formed. Their malleability and ability to withstand the rolling process make them an ideal choice for creating thin and durable sheet metal.
- Q:
- Steel billets are used as a raw material in the production of agricultural harvesting equipment. They are melted, cast, and then shaped into various components such as blades, teeth, and shafts that are essential for the efficient functioning of the equipment. The strength and durability of steel make it an ideal choice for withstanding the demanding conditions and heavy-duty operations involved in agriculture.
- Q:
- The manufacturing of structural components heavily relies on steel billets, which are an essential raw material. These billets, usually square or round in shape, are produced through continuous casting, a process that solidifies molten steel into a semi-finished product. After the formation of steel billets, they undergo further processing using different techniques like hot rolling, forging, or extrusion. Hot rolling includes heating the billets and passing them through a sequence of rollers to shape them into desired profiles, such as beams, channels, or angles. This method is crucial for achieving the necessary dimensions, strength, and surface finish. Forging is another technique employed with steel billets, involving heating the billets and shaping them using compressive forces. It is primarily used for manufacturing components that require enhanced strength and durability, like crankshafts, connecting rods, or turbine blades. Extrusion, on the other hand, is a specialized process that utilizes heated billets to create complex shapes by forcing them through a die. This technique is commonly utilized in the production of tubular components, such as pipes, tubes, or hollow sections. These components are extensively used in the construction of structures like bridges, buildings, or infrastructure. Steel billets play a critical role in the manufacturing of structural components by providing the necessary raw material that can be shaped using various fabrication techniques. Their adaptability and versatility make them an indispensable component in the construction industry, ensuring that buildings and structures possess the required strength and durability to withstand different loads and environmental conditions.
- Q:
- The main differences between hot-rolled and cold-rolled steel billets lie in the manufacturing process and the resulting characteristics of the steel. Hot-rolled steel billets are produced by heating the steel above its recrystallization temperature, typically around 1200°C (2200°F), and then rolling it into the desired shape or size. This process involves the use of large-scale machinery, such as rolling mills, which apply significant pressure to shape the steel. As a result, hot-rolled steel billets have a characteristic rough and scaled surface. On the other hand, cold-rolled steel billets are produced by further processing the hot-rolled steel. The hot-rolled steel is first cooled down to room temperature and then passed through a series of rollers at lower temperatures, typically below 1000°C (1832°F). This process provides more precise control over the dimensions and surface finish of the steel. Cold-rolled steel billets have a smoother and more polished appearance compared to their hot-rolled counterparts. In terms of physical and mechanical properties, hot-rolled steel billets tend to have a higher yield strength and lower ductility compared to cold-rolled steel. This is because the hot-rolling process causes the steel to undergo strain hardening, resulting in increased strength but reduced ability to deform without breaking. Cold-rolled steel, on the other hand, retains more of its ductility due to the controlled process of rolling at lower temperatures. Another significant difference is in the dimensional accuracy of the two types of steel billets. Hot-rolled steel billets are known to have larger dimensional tolerances, which means that there can be variations in the thickness, width, and length of the billets. In contrast, cold-rolled steel billets have tighter dimensional tolerances, resulting in more precise and consistent dimensions. In summary, the main differences between hot-rolled and cold-rolled steel billets lie in the manufacturing process, surface finish, physical and mechanical properties, and dimensional accuracy. Understanding these differences is crucial for selecting the appropriate type of steel billets for specific applications, as each type has its own advantages and disadvantages.
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