Prime quality prepainted galvanized steel 620mm
- 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: How long do steel billets last?
- The longevity of steel billets varies depending on multiple factors, including their storage conditions and utilization. Provided that they are stored appropriately in a controlled environment with low humidity and shielded from corrosion, steel billets can endure indefinitely. Conversely, if they are exposed to harsh weather, excessive moisture, or corrosive substances, their lifespan can be significantly diminished. As for their usage, steel billets are typically melted and transformed into other steel products, such as bars, rods, and beams. The lifespan of the final product hinges on its specific application and the maintenance practices implemented. Generally, steel products are renowned for their durability and longevity, rendering them a dependable option in numerous industries.
- Q: What are the different types of steel billets used in the manufacturing industry?
- The manufacturing industry utilizes various types of steel billets, each possessing unique properties and qualities. Here are a few examples: 1. Carbon Steel Billets: Predominantly composed of iron and carbon, carbon steel billets are widely utilized due to their exceptional strength and durability. They find applications in construction, automotive, and machinery manufacturing sectors. 2. Alloy Steel Billets: By introducing alloying elements like manganese, nickel, chromium, and molybdenum to carbon steel, alloy steel billets exhibit enhanced characteristics such as increased strength, hardness, and resistance to corrosion. They are commonly employed in the production of high-strength components and machinery parts. 3. Stainless Steel Billets: Consisting of iron, chromium, and other alloying elements like nickel and molybdenum, stainless steel billets demonstrate exceptional resistance to corrosion and staining. They are extensively used in the manufacturing of kitchen appliances, automotive parts, and medical equipment. 4. Tool Steel Billets: Tailored specifically for the production of tools, dies, and molds, tool steel billets possess superior hardness, wear resistance, and toughness. These attributes make them ideal for applications involving cutting, shaping, or molding materials. 5. Micro-Alloyed Steel Billets: This category of billets incorporates trace amounts of alloying elements such as vanadium, niobium, or titanium. Micro-alloyed steel billets are employed to enhance the strength and toughness of the steel, rendering them suitable for structural applications in industries like construction and transportation. It is crucial to recognize that these examples represent only a fraction of the various specialized steel billets available in the manufacturing industry. Each type is tailored to meet specific requirements for different applications and industries.
- Q: What are the specifications for stainless steel billets used in the food industry?
- The specifications for stainless steel billets used in the food industry typically include a specific grade of stainless steel, such as 304 or 316, which have high corrosion resistance. The billets need to be of a certain size and shape, based on the requirements of the food processing equipment. Additionally, they should meet certain quality standards, such as being free from impurities, having a smooth surface finish, and being certified food-grade material.
- Q: What are the different methods of steel billet surface cleaning?
- There are several methods of steel billet surface cleaning, including shot blasting, pickling, acid cleaning, mechanical cleaning, and electrochemical cleaning.
- Q: How are steel billets used in the manufacturing of industrial valves?
- Steel billets are an integral component in the manufacturing of industrial valves. Valves are crucial devices used to control the flow of fluids or gases in various industrial processes. Steel billets, which are semi-finished metal products, play a significant role in the production of these valves. The manufacturing process of industrial valves typically involves several steps, including forging, machining, and assembly. Steel billets are primarily used in the forging stage of valve production. Forging is the process of shaping metal by applying localized compressive forces using dies or hammers. Steel billets are heated to a specific temperature and then subjected to intense pressure, which deforms them into the desired shape. The use of steel billets in forging valves offers several advantages. Firstly, steel is known for its exceptional strength and durability, making it an ideal material choice for valves that are exposed to high-pressure environments. Steel billets provide the necessary raw material to create robust and reliable valve components. Additionally, steel billets can be easily shaped and molded during the forging process. This allows manufacturers to create complex valve designs with precision and accuracy. The versatility of steel billets enables the production of valves in various sizes, shapes, and configurations to meet specific industrial requirements. Furthermore, steel billets can be heat-treated after forging to enhance their mechanical properties. Heat treatment processes like quenching and tempering can significantly improve the hardness, strength, and wear resistance of the valve components. This ensures that the valves can withstand harsh operating conditions and deliver optimal performance over an extended period. In conclusion, steel billets are essential in the manufacturing of industrial valves. They provide the raw material required for forging valve components, offering strength, durability, and versatility. The use of steel billets enables the production of high-quality valves that can effectively control the flow of fluids or gases in industrial processes.
- Q: What are the main factors affecting the ductility of steel billets?
- The main factors affecting the ductility of steel billets are the composition of the steel, the temperature at which it is processed, and the amount of strain applied during shaping.
- Q: What are the different types of steel billet forging defects?
- There are several different types of steel billet forging defects that can occur during the forging process. These defects can have various causes and can impact the quality and integrity of the final forged product. Some of the common types of defects include: 1. Surface cracks: These are cracks that occur on the surface of the billet. They can be caused by excessive heating or cooling, improper forging techniques, or the presence of impurities in the steel. 2. Internal voids: These are cavities or voids that form within the billet. They can be caused by incomplete filling of the mold, improper venting, or the presence of gases trapped within the steel. 3. Inclusions: These are foreign materials or impurities that are present within the billet. They can include non-metallic particles, such as oxides or sulfides, or metallic impurities, such as slag. Inclusions can weaken the structure of the steel and reduce its overall quality. 4. Segregation: This refers to the non-uniform distribution of alloying elements within the billet. It can occur during the cooling process and can result in areas of the steel with different mechanical properties. This can lead to inconsistencies in the final product. 5. Dimensional inaccuracies: These defects refer to deviations from the desired shape or size of the billet. They can be caused by improper tooling or die design, inadequate heating or cooling processes, or improper handling during forging. 6. Grain structure abnormalities: The grain structure of the steel can be affected by various factors, such as improper heating or cooling rates. Abnormal grain structures can weaken the steel and reduce its mechanical properties. It is important to identify and address these defects during the production process to ensure the quality and reliability of the final forged product. Quality control measures, such as non-destructive testing and visual inspections, can help to detect and rectify these defects before the finished product is delivered to the customer.
- Q: What are the different types of extrusion processes used for shaping steel billets?
- There are several different types of extrusion processes used for shaping steel billets. These processes are commonly employed in the manufacturing industry to produce a wide range of steel products with varying shapes and sizes. Some of the commonly used extrusion processes for shaping steel billets include: 1. Hot extrusion: This process involves heating the steel billet above its recrystallization temperature and then forcing it through a die to shape it into the desired form. The high temperature makes the steel more malleable, allowing for easier extrusion and shaping. 2. Cold extrusion: In contrast to hot extrusion, cold extrusion involves shaping the steel billet at room temperature or slightly above. This process is commonly used for producing smaller parts or components that require high precision and a smooth finish. 3. Direct extrusion: Direct extrusion involves placing the steel billet into a container or chamber with a die at one end. A ram or plunger is then used to apply force on the billet, pushing it through the die and shaping it into the desired form. This process is commonly used for producing long and continuous shapes, such as rods, tubes, and bars. 4. Indirect extrusion: In indirect extrusion, the steel billet is placed inside a chamber with a die at one end, similar to direct extrusion. However, in this process, the die is stationary, and the force is applied to the container or chamber, causing it to move and push the billet through the die. Indirect extrusion is often used for producing complex shapes that require more control over the extrusion process. 5. Impact extrusion: Impact extrusion is a specialized form of extrusion that involves shaping the steel billet using a high-velocity impact force. The billet is placed inside a die, and a punch or hammer strikes the billet, causing it to flow and shape into the desired form. This process is commonly used for producing hollow or tubular shapes, such as cans or containers. These are just a few of the different types of extrusion processes used for shaping steel billets. Each process has its own advantages and limitations, depending on the desired shape, size, and properties of the final product. Manufacturers choose the most appropriate extrusion process based on their specific requirements and considerations.
- 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 types of heat treatment processes used for steel billets?
- There are several different types of heat treatment processes used for steel billets. Some commonly used methods include annealing, normalizing, quenching and tempering, and case hardening. Each process has its own purpose and is used to achieve specific properties in the steel billets.
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Prime quality prepainted galvanized steel 620mm
- 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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