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: What are the common sizes and dimensions of steel billets?
- The common sizes and dimensions of steel billets vary widely depending on the specific industry and application. However, some common dimensions include square shapes ranging from 100x100mm to 300x300mm and rectangular shapes with dimensions of 200x300mm to 400x600mm. Additionally, cylindrical billets typically have diameters ranging from 100mm to 300mm. It is important to note that these dimensions can differ significantly based on the requirements of the end-use industry.
- Q: How are steel billets used in the manufacturing of medical devices?
- Steel billets are used in the manufacturing of medical devices as a raw material for shaping and forming various components. They are often melted down and poured into molds to create intricate shapes and designs required for medical devices such as surgical instruments, implants, and prosthetics. The high strength and durability of steel make it an ideal choice for ensuring the longevity and reliability of these devices, ensuring they can withstand the rigorous demands of medical applications.
- Q: How are steel billets used in the production of oil and gas exploration equipment?
- Steel billets are commonly used in the production of oil and gas exploration equipment due to their strength and durability. These billets are shaped and machined into various components such as valves, pumps, drilling tools, and pipelines, which are crucial for the extraction and transportation of oil and gas. The high-quality steel ensures that the equipment can withstand harsh operating conditions, including high temperatures, pressure, and corrosive environments, thereby ensuring the safety and reliability of oil and gas exploration operations.
- Q: What is the average weight of a steel billet?
- The size and dimensions of a steel billet can cause variations in its average weight. Nevertheless, a standard steel billet generally ranges from 1,000 kilograms (2,204 pounds) to 5,000 kilograms (11,023 pounds). These weight ranges are commonly observed in industrial-grade steel billets utilized in diverse manufacturing techniques like forging, rolling, and extrusion. It should be emphasized that the weight of a steel billet can be tailored according to specific necessities and industry norms.
- Q: What are the main factors affecting the hardenability of steel billets?
- The hardenability of steel billets, which refers to their ability to be hardened through heat treatment, is influenced by several key factors. These factors include the chemical composition of the steel, the rate at which it is cooled during quenching, and the size of its grains. First and foremost, the chemical composition of the steel plays a vital role in determining its hardenability. Elements like carbon, manganese, and alloying elements such as chromium, molybdenum, and nickel can have a significant impact on the steel's ability to be hardened. Higher carbon content and the presence of certain alloying elements increase the hardenability by forming carbides that aid in the formation of martensite, the hard and brittle phase responsible for the steel's hardness. The rate at which the steel is cooled during quenching is another crucial factor affecting its hardenability. Quenching involves rapidly cooling the heated steel billet, typically using a liquid medium like water or oil. The speed of cooling determines the transformation of the steel's microstructure. Faster cooling rates result in higher hardenability as they promote the formation of martensite. Conversely, slower cooling rates can lead to the formation of softer phases like ferrite or pearlite. The size of the steel's grains also impacts its hardenability. Smaller grain sizes provide more sites for the formation of martensite, resulting in improved hardenability. Grain refinement can be achieved through processes like alloying, heat treatment, and controlled cooling. Additionally, the presence of non-metallic inclusions, which act as areas of stress concentration, can also affect hardenability by promoting crack initiation and propagation during quenching. In conclusion, the main factors that influence the hardenability of steel billets are the chemical composition, cooling rate during quenching, and grain size. Understanding these factors and their interactions is crucial for achieving the desired hardness and mechanical properties in steel billets during heat treatment processes.
- Q: What are the different types of steel billets available?
- There are several different types of steel billets available, each with its own unique properties and uses. Some of the most common types include: 1. Carbon Steel Billets: These are made primarily of iron and carbon, with trace amounts of other elements. They are known for their high strength and durability, making them suitable for a wide range of applications such as construction, automotive, and machinery manufacturing. 2. Alloy Steel Billets: As the name suggests, these billets are made by adding various alloying elements such as chromium, nickel, or manganese to the carbon steel. This enhances the mechanical properties of the steel, making it more resistant to corrosion, wear, and heat. Alloy steel billets are commonly used in the production of tools, gears, and high-strength components. 3. Stainless Steel Billets: These billets contain a minimum of 10.5% chromium, which gives them excellent corrosion resistance. Stainless steel billets are widely used in industries such as food processing, chemical, and medical, where hygiene and resistance to rust are crucial. 4. Tool Steel Billets: Designed for applications requiring high hardness, wear resistance, and toughness, tool steel billets are often used in the production of cutting tools, dies, and molds. They are made by adding elements such as tungsten, vanadium, or molybdenum to carbon steel, resulting in a material capable of withstanding extreme conditions. 5. Low Alloy Steel Billets: These billets contain small amounts of alloying elements, typically less than 5%, such as manganese, silicon, or copper. They offer improved strength, toughness, and weldability compared to carbon steel, making them suitable for structural applications in construction and engineering. 6. Microalloyed Steel Billets: Also known as HSLA (High-Strength Low-Alloy) steel, microalloyed steel billets contain small amounts of niobium, vanadium, or titanium. This results in a fine-grained microstructure and enhanced strength, allowing the production of lighter and more efficient structures in industries such as automotive and aerospace. These are just a few examples of the different types of steel billets available. Each type has its own specific properties and applications, and choosing the right type depends on the intended use and desired characteristics of the final product.
- Q: How are steel billets used in the manufacturing of railway components?
- Steel billets are used in the manufacturing of railway components as they serve as the raw material for forging and shaping various parts like rails, wheels, axles, and other structural components. These billets are heated and then manipulated through processes like rolling and forging to obtain the desired shape and strength required for railway applications.
- Q: How do steel billets contribute to the overall vibration resistance of a structure?
- Steel billets, due to their specific characteristics, significantly contribute to the overall vibration resistance of a structure. First and foremost, steel is a very dense and rigid material, which means that it possesses a high natural frequency. This high natural frequency allows steel billets to absorb and dissipate the energy generated by external vibrations more effectively than other materials. Moreover, steel billets have excellent damping properties. Damping refers to the ability of a material to reduce the amplitude of vibrations over time. Steel billets, being highly dense and rigid, are able to absorb and dissipate vibrations quickly, preventing them from propagating throughout the structure. This helps in reducing the overall vibration levels and, subsequently, increasing the overall vibration resistance of the structure. Furthermore, steel billets possess high tensile strength and stiffness, which allow them to resist deformation under dynamic loads. This means that when subjected to vibration forces, steel billets are able to maintain their shape and structural integrity, minimizing the risk of failure or damage. The high tensile strength of steel also enables it to withstand the impact of external forces without undergoing significant deformation or permanent damage. In addition, steel billets can be designed and manufactured to specific dimensions and shapes, allowing for precise integration into various structural components. This ensures that the steel billets are optimally positioned within the structure, enhancing their vibration resistance capabilities. Overall, steel billets contribute to the overall vibration resistance of a structure by effectively absorbing and dissipating vibrations, resisting deformation, and maintaining their structural integrity. Through these properties, steel billets help to minimize the impact of external vibrations and ensure the longevity and stability of the structure.
- Q: What are the different surface defects found in alloy steel billets?
- Some common surface defects found in alloy steel billets include cracks, laps, seams, scabs, and surface scale. These defects can occur during the manufacturing process or as a result of handling and transportation.
- Q: What are the potential safety risks associated with handling steel billets?
- Handling steel billets can pose several potential safety risks. First and foremost, the weight of steel billets can be substantial, and improper lifting or carrying techniques can lead to musculoskeletal injuries such as strains and sprains. It is important to use proper lifting equipment and techniques to minimize the risk of these injuries. Another potential safety risk is the sharp edges and corners of steel billets. If not handled carefully, these edges can cause lacerations or puncture wounds. Wearing appropriate personal protective equipment, such as cut-resistant gloves, can help mitigate this risk. Steel billets may also be hot when they are being handled, especially if they have recently been processed or manufactured. Contact with hot billets can result in burns or thermal injuries. It is crucial to use heat-resistant gloves or other protective measures when handling hot steel billets. Additionally, steel billets are often transported using heavy machinery such as cranes or forklifts. Operating these machines without proper training or supervision can lead to accidents, including collisions, falling objects, or overturning of equipment. Adequate training, following safety protocols, and maintaining clear communication are essential to minimize these risks. Finally, steel billets may contain various chemical coatings or residues, which can be hazardous if ingested, inhaled, or come into contact with the skin. It is important to be aware of any potential hazardous substances present on the billets and take appropriate precautions, such as wearing protective clothing, gloves, and respiratory equipment if necessary. Overall, the potential safety risks associated with handling steel billets include musculoskeletal injuries, lacerations or puncture wounds, burns or thermal injuries, accidents involving heavy machinery, and exposure to hazardous substances. Following proper safety procedures, using appropriate protective equipment, and receiving comprehensive training can help mitigate these risks and ensure a safe working environment.
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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
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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