Prime quality prepainted galvanized steel 715mm
- 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 different quality standards for steel billets?
- There are several quality standards for steel billets, including ASTM (American Society for Testing and Materials), ISO (International Organization for Standardization), and EN (European Norm) standards. These standards define various parameters such as chemical composition, mechanical properties, and dimensional tolerances that steel billets must meet in order to ensure their quality and suitability for different applications.
- Q: How are steel billets manipulated during the manufacturing process?
- To transform steel billets into usable steel products, various manipulation techniques are employed during the manufacturing process. These techniques comprise heating, rolling, forging, and cutting. The initial step involves heating the steel billets in a furnace to achieve a specific temperature known as the rolling temperature. This heating process is crucial as it enhances the billet's malleability and reduces its brittleness, making it easier to manipulate. Once the billets are adequately heated, they undergo a series of passes through rolling mills. These mills exert pressure on the billets, causing them to elongate and take on the desired shape. The rolling process can be performed using either hot or cold methods, depending on the requirements of the final product. Hot rolling is typically employed for large-scale production, while cold rolling is more commonly used for precision applications. Another technique used to manipulate steel billets is forging. This method involves subjecting the billets to compressive forces using hammers or presses. Through forging, the strength of the billets is enhanced, their grain structure is improved, and their mechanical properties are refined. Forged steel billets find application in industries such as automotive and aerospace, where high strength and resistance to impact and fatigue are crucial. Cutting is also an essential technique employed during the manufacturing process. Steel billets are cut into desired lengths using saws or shears. This step ensures that the billets are converted into manageable sizes suitable for further processing or to meet specific customer requirements. In conclusion, the manufacturing process of steel billets involves several manipulation techniques. These include heating, rolling, forging, and cutting. Each of these methods contributes to shaping the raw billets and modifying their properties, making them suitable for use in various industries such as construction, manufacturing, and transportation.
- Q: Can steel billets be used for marine applications?
- Indeed, the utilization of steel billets in marine applications is possible. Frequently, steel billets serve as a fundamental resource for diverse marine components and structures. Given their remarkable strength and durability, steel billets are ideal for marine applications necessitating resistance to corrosion, impact, and harsh environmental conditions. Ship hulls, propeller shafts, marine pipelines, offshore platforms, and other marine structures can all be manufactured using steel billets. Moreover, steel billets can undergo additional processing and shaping to meet precise specifications for marine applications.
- Q: What are the common defects in steel billets during hot rolling?
- Some common defects in steel billets during hot rolling include surface cracks, internal cracks, surface scales, segregation, and surface defects such as pits, scars, and scratches. These defects can affect the quality and integrity of the final product and may require further processing or rejection of the billets.
- Q: What are the main factors affecting the machinability of stainless steel billets?
- The machinability of stainless steel billets is influenced by several key factors. 1. Alloy composition: The composition of stainless steel, including the presence of various alloying elements, significantly affects its machinability. Certain elements such as sulfur, lead, and selenium can improve machinability by enhancing chip formation and reducing tool wear. On the other hand, elements like chromium and nickel, which are commonly found in stainless steel, can increase hardness and reduce machinability. 2. Hardness: The hardness of stainless steel billets plays a crucial role in determining machinability. Higher hardness levels make the material more difficult to cut, which can result in increased tool wear and reduced efficiency. Hardness can be influenced by various factors, including alloy composition, heat treatment, and mechanical processing. 3. Heat treatment: The heat treatment process employed on stainless steel billets can greatly impact their machinability. Heat treatment can alter the microstructure of the material, affecting its hardness, toughness, and ability to be machined. For example, annealing can soften the stainless steel, making it more machinable, while processes like hardening or tempering can increase hardness and reduce machinability. 4. Cutting tool selection: The choice of cutting tools used for machining stainless steel billets is crucial in achieving optimal machinability. Stainless steel is known for its tendency to work-harden, which can lead to increased cutting forces and tool wear. High-speed steel (HSS) and carbide tools are commonly used for machining stainless steel due to their superior hardness and wear resistance. 5. Cutting parameters: The selection of appropriate cutting parameters, such as cutting speed, feed rate, and depth of cut, is essential for achieving good machinability in stainless steel billets. The cutting parameters must be carefully chosen to balance the desired metal removal rate with minimizing tool wear and heat generation. Adjusting these parameters can help optimize chip formation, tool life, and surface finish. 6. Lubrication and cooling: The use of proper lubrication and cooling techniques during machining can significantly influence the machinability of stainless steel billets. Lubricants help reduce friction and heat generation, improving chip formation and extending tool life. Cooling methods, such as flood or through-tool cooling, can dissipate heat and prevent thermal damage to the workpiece and cutting tool. All these factors interact with each other to determine the machinability of stainless steel billets. A thorough understanding of these factors allows manufacturers to optimize the machining process and achieve efficient and cost-effective production of stainless steel components.
- Q: Can steel billets be used in the manufacturing of machinery?
- Yes, steel billets can be used in the manufacturing of machinery. Steel billets are semi-finished metal products that are typically hot rolled or forged into various shapes, including bars, rods, or sheets. These billets serve as the raw material for manufacturing machinery components such as gears, shafts, bearings, and structural frames. The use of steel billets in machinery manufacturing offers several advantages. Steel is known for its exceptional strength, durability, and resistance to wear, making it a suitable material choice for heavy-duty applications. Additionally, steel can be easily machined, welded, and formed into complex shapes, allowing for the production of intricate machinery parts. Moreover, steel's high melting point and thermal conductivity make it ideal for applications that involve high temperatures or require heat transfer. Overall, steel billets are widely used in machinery manufacturing due to their excellent mechanical properties, versatility, and reliability.
- Q: How do steel billets contribute to the manufacturing of textile machinery?
- Due to their mechanical properties and versatility, steel billets are crucial in the manufacturing of textile machinery. Essentially semi-finished steel products, they come in rectangular or square shapes and serve as raw material in various industries, including textile machinery manufacturing. The manufacturing of textile machinery greatly benefits from steel billets, particularly in the production of structural components. These components, such as frames and supports, require durability and sturdiness for stability and efficient functioning. Steel billets, with their high strength and rigidity, are an ideal choice for these components. They can be easily shaped, machined, or welded to create intricate and complex structures capable of withstanding the heavy loads and vibrations associated with textile machinery. Steel billets also find application in the production of moving parts like shafts and gears. These parts must possess excellent wear resistance, high tensile strength, and good machinability to ensure smooth operation and a long service life. Through processes such as forging, rolling, or machining, steel billets can be transformed into these crucial parts, providing the necessary mechanical properties and precision required in textile machinery. Furthermore, steel billets are extensively used in the manufacturing of tooling and molds for textile machinery production. These tools and molds are essential for shaping and forming various components. By subjecting steel billets to heat treatment and precise machining processes, they can be transformed into high-quality tooling and molds that offer exceptional dimensional accuracy and durability. This significantly contributes to the overall efficiency and quality of textile machinery production. In conclusion, steel billets play a pivotal role in textile machinery manufacturing by providing raw material for structural components, moving parts, and tooling. Their mechanical properties, versatility, and ease of fabrication make them indispensable in the industry. Steel billets ensure the durability, precision, and functionality of textile machinery, ultimately enhancing the overall performance and reliability of the equipment.
- Q: How are steel billets used in the production of wind turbine components?
- Steel billets are used in the production of wind turbine components by being heated and shaped into various parts such as shafts, gears, and frames. These billets serve as the raw material that is later machined, welded, and assembled to create robust and durable components for wind turbines.
- Q: What are the different types of defects that can occur in steel billets?
- There are several types of defects that can occur in steel billets, including surface cracks, internal voids, segregation, inclusions, and dimensional inconsistencies. These defects can affect the quality and structural integrity of the billets and may require further processing or remedial measures to ensure their suitability for use in various applications.
- Q: How do steel billets contribute to the energy sector?
- Steel billets contribute to the energy sector by being used in the construction of various infrastructure projects, such as power plants, transmission towers, and pipelines. These steel billets provide the necessary strength and durability required for these structures to withstand harsh environmental conditions and support the efficient generation, transmission, and distribution of energy.
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Prime quality prepainted galvanized steel 715mm
- 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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