Prime quality prepainted galvanized steel 665mm
- 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. |
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 thermal conductivity of steel billets?
- The thermal conductivity of steel billets is influenced primarily by several factors. Firstly, the chemical composition of the steel plays a crucial role in determining its thermal conductivity. Elements like carbon, manganese, and silicon can impact the crystal structure and atom arrangement within the steel, thereby affecting its ability to conduct heat. Generally, steels with higher carbon content have lower thermal conductivity due to increased impurities and non-conductive carbide formation. Secondly, the microstructure of the steel also affects its thermal conductivity. Heat conduction in steel happens through lattice vibrations called phonons. Grain boundaries, dislocations, and other defects within the microstructure can hinder phonon movement, resulting in reduced thermal conductivity. Conversely, a more uniform and fine-grained microstructure enhances thermal conductivity. Furthermore, the temperature of the steel billet significantly impacts its thermal conductivity. As the temperature rises, the thermal conductivity of steel generally decreases due to increased scattering of phonons by lattice vibrations and higher thermal resistance. Another factor influencing the thermal conductivity of steel billets is their physical dimensions, specifically cross-sectional area and length. A larger cross-sectional area leads to higher thermal conductivity as there is more space for heat transfer. Similarly, longer billets tend to have lower thermal conductivity due to increased distance for heat conduction. Lastly, the presence of impurities and alloying elements in the steel can also affect its thermal conductivity. For instance, alloying elements like nickel, chromium, and copper can alter the crystal structure and lattice vibrations, thereby influencing the thermal conductivity of the steel billet. In conclusion, the thermal conductivity of steel billets is influenced by factors such as chemical composition, microstructure, temperature, physical dimensions, and the presence of impurities and alloying elements. Understanding these factors is crucial in various industrial applications where heat transfer and thermal management are critical.
- Q: How are steel billets transported and stored?
- Steel billets are typically transported and stored in a careful and systematic manner to ensure their quality and safety. When it comes to transportation, steel billets are usually moved using trucks or railcars. Trucks are commonly used for short-distance transportation within a steel mill or between different facilities, while railcars are employed for longer distances, including intercity or even international transport. During transportation, steel billets are loaded onto the trucks or railcars using cranes or forklifts. It is crucial to secure the billets properly to prevent any movement or damage during transit. Straps, chains, or other securing methods are used to keep the billets in place and ensure their stability. Once the steel billets reach their destination, they are unloaded using similar lifting equipment. It is important to handle the billets with care during the unloading process to avoid any scratches or dents that could compromise their structural integrity. Regarding storage, steel billets are typically kept in designated areas called billet yards or billet storage facilities. These areas are designed to accommodate the size and weight of the billets and provide easy access for loading and unloading operations. Steel billets are often stored in stacks or piles, with each billet being carefully positioned to maintain stability and prevent any potential accidents. The billets may be organized based on various criteria, such as size, grade, or production date, to facilitate their retrieval when needed. To protect the billets from environmental factors, such as humidity or corrosion, they are often covered with protective coatings or stored in enclosed areas with controlled climate conditions. Additionally, regular inspections and maintenance are carried out to ensure the quality and integrity of the stored billets. Overall, proper transportation and storage procedures are essential to safeguard the steel billets and maintain their quality until they are ready for further processing or use in various industries.
- Q: How do steel billets contribute to the manufacturing of tools and equipment?
- Steel billets are an essential raw material in the manufacturing of tools and equipment. These hot-rolled or forged semi-finished steel products serve as the starting point for various manufacturing processes. They are shaped, machined, and heat-treated to create specific components or parts used in tools and equipment. The high strength, durability, and versatility of steel billets make them ideal for producing a wide range of tools and equipment, including cutting tools, molds, dies, gears, and machine components.
- Q: How are steel billets used in the production of automotive braking systems?
- Steel billets are used in the production of automotive braking systems as they serve as the raw material for manufacturing brake components such as discs, rotors, calipers, and brake pads. These billets are heated, shaped, and machined to create the necessary brake parts, which are then assembled and integrated into the braking system of vehicles.
- Q: Can steel billets be used for decorative purposes?
- Yes, steel billets can be used for decorative purposes. They can be shaped, polished, and finished to create aesthetically pleasing decorative items such as sculptures, architectural elements, and ornamental pieces.
- Q: How are steel billets used in the production of industrial pumps?
- Steel billets are an essential component in the production of industrial pumps. These billets serve as the raw material from which the various parts of the pump are manufactured. To begin, the steel billets are first heated to a specific temperature to make them malleable and easier to work with. They are then placed in a forging machine where they are subjected to immense pressure and shaped into the desired form. This process is known as forging and allows the billets to be transformed into various pump components such as impellers, casings, and shafts. Once the components are forged, they undergo a series of machining operations to further refine their shape and dimensions. This includes milling, drilling, and grinding to achieve the required tolerances and surface finish. These operations are crucial to ensure the proper fit and functionality of the pump parts. The steel billets used in the production of industrial pumps are typically made from high-quality steel alloys that possess excellent strength, durability, and resistance to corrosion and wear. This ensures that the resulting pump components can withstand the demanding operating conditions often encountered in industrial applications. Furthermore, the use of steel billets allows for the customization of pump parts to meet specific requirements. Different pump designs and sizes can be achieved by varying the shape and dimensions of the billets. This flexibility in production enables manufacturers to cater to a wide range of pump applications across various industries. In summary, steel billets play a crucial role in the production of industrial pumps. By being forged, machined, and customized, these billets are transformed into high-quality pump components that provide superior performance and reliability in industrial settings.
- Q: How are steel billets used in the manufacturing of valves and pumps?
- Steel billets are an essential raw material used in the manufacturing of valves and pumps. Billets are semi-finished steel products that are cast into a specific shape, usually in the form of a square or a rectangle. These billets serve as the starting point for the production of valves and pumps. To manufacture valves, steel billets are first heated and then forged or rolled into the desired shape. The billets undergo a series of processes such as cutting, drilling, and machining to form the various components of a valve, including the body, bonnet, disc, stem, and seat. These components are then assembled to create the valve, which regulates the flow of fluids or gases in a system. Similarly, in the manufacturing of pumps, steel billets are heated and shaped into the necessary parts such as impellers, casings, shafts, and housings. These components are then assembled to create a pump, which is responsible for moving fluids or gases from one place to another. The use of steel billets in the manufacturing of valves and pumps is crucial due to the inherent properties of steel. Steel is known for its strength, durability, and resistance to corrosion, making it ideal for applications in industries where valves and pumps are subjected to high pressures, temperatures, and corrosive environments. Furthermore, the versatility of steel allows for customization, enabling manufacturers to create valves and pumps of various sizes, shapes, and specifications to meet the specific needs of different industries and applications. This adaptability ensures that valves and pumps made from steel billets can perform reliably and efficiently in a wide range of environments and conditions. In conclusion, steel billets play a vital role in the manufacturing of valves and pumps. Through the forging, shaping, and assembly processes, steel billets are transformed into the essential components that make up these crucial industrial devices. The use of steel ensures the strength, durability, and corrosion resistance required for valves and pumps to function effectively and withstand demanding operating conditions.
- Q: How are steel billets used in the production of crankshafts?
- Steel billets are used in the production of crankshafts as they serve as the raw material that is shaped and machined to form the main body of the crankshaft. These billets are heated, forged, and then machined to create the precise shape and dimensions required for the crankshaft. This process ensures the strength, durability, and performance of the crankshaft in engines.
- Q: Reasons and treatment methods of billet stripping in continuous casting
- Uneven cooling causes stripping.Check that the water jacket is uneven;Then check the two cold, the nozzle is not even spray cooling water, jet angle position is correct.
- Q: What are the common defects in billet? What's the cause?
- Five, X ray inspection, porosity, ultrasonic testing:One, 5, magnetic particle inspection, the back of the dent; 6, overheating and over burning: 1, penetrant inspection;Four. 2. The size of the weld does not meet the requirements and slag inclusion; 3 high-energy X-ray inspection, lamellar tearing and R ray flaw detection; 2;Five;Two: 1, arc crater;Methods for inspection of weld defects;
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Prime quality prepainted galvanized steel 665mm
- 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
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