Prime quality prepainted galvanized steel 720mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
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. |
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 factors affecting the tensile strength of steel billets?
- The main factors affecting the tensile strength of steel billets include the chemical composition of the steel, the heat treatment process, the presence of impurities or defects in the material, the grain size and orientation, and the processing conditions used during manufacturing.
- Q: What are the different surface treatments for improved surface roughness in steel billets?
- There are several surface treatments available to improve the surface roughness of steel billets. These treatments are aimed at enhancing the quality and properties of the billets, making them more suitable for various industrial applications. Some of the commonly used surface treatments for improved surface roughness in steel billets include: 1. Shot Blasting: Shot blasting involves bombarding the surface of the steel billets with high-speed abrasive particles. This treatment helps to remove any contaminants, scale, or unevenness present on the surface, resulting in a smoother and more uniform finish. 2. Acid Pickling: Acid pickling is a chemical treatment that involves immersing the steel billets in an acid solution, usually hydrochloric or sulfuric acid. This process helps to dissolve any oxides, rust, or scale present on the surface, leaving behind a clean and smoother surface. 3. Mechanical Grinding: Mechanical grinding is a process that involves using abrasive wheels or belts to remove material from the surface of the steel billets. This treatment is particularly effective in removing any deep scratches, pits, or irregularities, resulting in a smoother and more polished surface. 4. Electrochemical Polishing: Electrochemical polishing is an electrochemical process that uses a combination of chemicals and electrical current to remove a thin layer of material from the steel billet's surface. This treatment helps to eliminate any surface imperfections, resulting in a smoother and more reflective finish. 5. Roller Leveling: Roller leveling involves passing the steel billets through a set of rollers that apply pressure to the surface, flattening and smoothing out any irregularities. This treatment is particularly effective in improving the flatness and surface roughness of the billets. 6. Thermal Treatment: Thermal treatment, such as annealing, can also improve the surface roughness of steel billets. Annealing involves heating the billets to a specific temperature and then slowly cooling them to relieve internal stresses and improve the surface finish. It is important to note that the choice of surface treatment depends on the specific requirements of the steel billets and the desired surface roughness. Each treatment has its advantages and limitations, and it is essential to select the most suitable treatment based on factors such as the type of steel, dimensions of the billets, desired surface finish, and cost-effectiveness.
- Q: How can steel billets be recycled or reused?
- Steel billets can be recycled or reused in a number of ways. One common method is melting down the billets and using the molten steel to create new products. This process, known as remelting, allows for the steel to be reused in a variety of applications. Another way to recycle steel billets is by using them in the production of other steel products. For example, they can be used to make steel rods, pipes, or beams. By incorporating the billets into the manufacturing process, the steel industry can minimize waste and reduce the need for extracting new raw materials. Steel billets can also be repurposed in construction projects. They can be used as raw material for building structures, such as bridges, buildings, or highways. By using recycled steel billets, construction projects can reduce their environmental impact and contribute to a more sustainable future. Furthermore, steel billets can be transformed into smaller components through processes like rolling or forging. These components can then be used in various industries, including automotive, machinery, and infrastructure. By reusing steel billets in this way, we can reduce the need for producing new materials and conserve resources. Overall, recycling and reusing steel billets offer numerous benefits, including reducing waste, conserving resources, and promoting sustainability. With proper recycling and reuse practices, steel billets can have a second life in various industries, making them a valuable resource in the circular economy.
- Q: What are the causes of internal cracks in continuous casting billet?
- A French Research Institute of carbon, sulfur and phosphorus influence on continuous casting billet hot cracking, a total of three test groups of carbon manganese steel, carbon, sulfur and phosphorus content of each sample is different. The test according to the process of the sample for cooling, in order to study the effects of the three elements of the internal crack of continuous casting billet hot.
- Q: What are the main differences between hot rolled and cold rolled steel billets?
- The manufacturing process and resulting properties of the finished product are where the main distinctions between hot rolled and cold rolled steel billets lie. Hot rolled steel billets are created by subjecting the steel to high temperatures and passing it through large rollers. This method allows for easy shaping and forming of the steel, resulting in a rougher surface and less precise dimensions. Additionally, the high temperature involved in the manufacturing process leads to a scaled surface on hot rolled steel billets. In contrast, cold rolled steel billets are produced by cooling the steel to room temperature and passing it through rollers at a lower temperature. This process yields a smoother surface finish and allows for tighter tolerances and more precise dimensions. Cold rolled steel billets have a more uniform appearance and are commonly utilized in applications that require high levels of precision and accuracy. When it comes to mechanical properties, hot rolled steel billets generally exhibit lower strength and hardness compared to cold rolled steel billets. Cold rolled steel billets also tend to possess improved surface hardness and a higher degree of dimensional stability. In conclusion, the main distinctions between hot rolled and cold rolled steel billets encompass the manufacturing process, surface finish, dimensional accuracy, and mechanical properties. Hot rolled steel billets are easily shaped and formed, while cold rolled steel billets possess a smoother surface finish and more precise dimensions. The choice between the two depends on the specific requirements of the application.
- Q: What are the cost implications of using steel billets in manufacturing?
- There are several cost implications associated with the use of steel billets in manufacturing. Firstly, one must consider the cost of the billets themselves. This cost can fluctuate depending on market demand, availability, and the grade of steel. Therefore, any changes in steel prices can directly affect manufacturing costs. Moreover, transportation and logistics costs must be taken into account. Steel billets are heavy and bulky, requiring specialized handling and transportation methods. This can result in higher shipping costs, especially if the manufacturing facility is far from the source of the billets. Additionally, the cost of processing and shaping the billets into the desired form for manufacturing needs to be considered. This includes expenses associated with cutting, welding, forging, and other necessary fabrication processes. The complexity of these processes and the required machinery can significantly impact the overall cost of using steel billets. Another cost implication is related to the quality of the billets. Inferior quality billets can lead to lower product quality and higher rejection rates, ultimately increasing manufacturing costs. Therefore, it is crucial to source steel billets from reputable suppliers to ensure consistent quality and minimize the risk of defects. Considering long-term costs, the durability and strength of steel make it an attractive choice for manufacturing. Steel is known for its longevity and resistance to wear and tear, which reduces the need for frequent replacements and repairs. This can result in long-term cost savings for manufacturers. Lastly, the environmental and sustainability aspects associated with using steel billets should be taken into account. Steel production is energy-intensive and has a significant carbon footprint. Manufacturers are increasingly being held accountable for their environmental impact, which can lead to additional costs in terms of compliance with regulations or implementing sustainable practices. In conclusion, the cost implications of using steel billets in manufacturing involve the price of the billets themselves, transportation costs, processing expenses, quality considerations, long-term durability, and sustainability factors. Analyzing these cost factors carefully is essential for manufacturers to make informed decisions and optimize their manufacturing processes.
- Q: Can steel billets be welded together?
- Yes, steel billets can be welded together. Welding is a commonly used method to join steel billets, which are semi-finished products in the form of a rectangular or square solid metal. By applying heat and pressure, the steel billets can be fused together, creating a strong and durable bond. Welding processes such as arc welding, gas welding, and laser welding can be used to join steel billets, depending on the specific requirements and properties of the steel. However, it is important to note that the proper welding technique and expertise are crucial to ensure a successful and high-quality weld joint.
- Q: What are the main challenges in the production of steel billets?
- Producing steel billets, which are semi-finished products used in various steel products, presents several challenges. One of the primary obstacles is guaranteeing reliable and high-quality raw materials. Steel billets are typically made from either scrap metal or iron ore, and obtaining a steady supply of these materials is difficult due to availability and cost fluctuations. Another challenge is achieving the desired chemical composition and mechanical properties of the steel billets. The production process involves steps like melting, refining, and casting, each of which must be carefully controlled to achieve the desired outcome. Precise control over temperature, alloying elements, and impurities is crucial to meet the required specifications. The choice of casting method also plays a significant role in steel billet production. There are two methods: continuous casting and ingot casting, each with its own advantages and disadvantages. Continuous casting is more commonly used due to its higher productivity and better control over dimensions and surface quality. However, maintaining a stable and continuous process requires sophisticated equipment and expertise. The cooling and solidification process after casting is another critical challenge. Proper cooling is necessary to prevent defects like cracks, segregations, or uneven microstructures. The cooling rate must be carefully controlled to achieve the desired microstructure and mechanical properties of the billets. Additionally, handling and storing steel billets can be challenging. Billets are often transported and stored in large quantities, so maintaining their quality and preventing damage is crucial. Proper handling equipment, storage conditions, and logistics management are necessary to minimize potential damage or loss. Lastly, environmental considerations are increasingly important in steel billet production. The process generates significant emissions, waste, and energy consumption. Meeting environmental regulations and implementing sustainable practices, such as scrap metal recycling or reducing energy consumption, can be challenging but are crucial for the industry's long-term viability. In summary, the main challenges in steel billet production include ensuring consistent and high-quality raw materials, achieving desired chemical composition and mechanical properties, selecting the appropriate casting method, controlling the cooling and solidification process, handling and storage, and addressing environmental concerns. Overcoming these challenges requires advanced technology, skilled workers, and efficient management practices in the steel production industry.
- Q: How are steel billets used in the production of agricultural machinery?
- Steel billets are used in the production of agricultural machinery as a raw material for various components such as gears, shafts, and frames. These billets are melted and molded into the desired shape, providing the necessary strength and durability required for the machinery to effectively perform tasks in the agricultural sector.
- Q: How are steel billets used in the construction of bridges?
- Steel billets are used in the construction of bridges as raw materials for manufacturing various structural components such as beams, columns, and girders. These billets are heated and then rolled into the required shapes and sizes to form the framework of the bridge. They provide strength, durability, and load-bearing capacity, enabling the bridge to withstand heavy traffic and environmental forces.
Send your message to us
Prime quality prepainted galvanized steel 720mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
