Prime quality prepainted galvanized steel 690mm
- 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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Quality Product, Order Online Tracking, Timely Delivery
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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 causes of internal cracks in continuous casting billet?
- 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 different types of steel billet rolling mill defects?
- There are several types of steel billet rolling mill defects that can occur during the rolling process. These defects can have various causes and can affect the quality and performance of the final product. Some of the common types of defects include: 1. Surface defects: These defects are visible on the surface of the rolled billet and can include scratches, cracks, pits, and scale. Surface defects can be caused by improper handling, inadequate lubrication, or excessive rolling pressures. 2. Shape defects: Shape defects refer to the deviations from the desired shape of the billet. These can include bowing, twisting, or excessive tapering. Shape defects can be caused by uneven cooling, improper alignment of the rolling mill, or incorrect rolling parameters. 3. Internal defects: Internal defects are defects that are not visible on the surface but can affect the structural integrity of the billet. These defects can include segregation, porosity, and inclusions. Internal defects can be caused by the presence of impurities in the raw material, improper heating or cooling, or inadequate quality control measures. 4. Dimensional defects: Dimensional defects refer to deviations from the desired dimensions of the billet, such as variations in length, width, or thickness. These defects can be caused by improper calibration of the rolling mill, incorrect rolling parameters, or inadequate quality control measures. 5. Metallurgical defects: Metallurgical defects are defects that occur due to improper metallurgical processes during rolling. These defects can include grain size variations, improper grain flow, or undesirable microstructure. Metallurgical defects can be caused by improper temperature control, inadequate alloying, or insufficient heat treatment. It is important for steel billet rolling mills to have proper quality control measures in place to identify and rectify these defects. Regular inspections, testing, and monitoring of the rolling process can help to minimize these defects and ensure the production of high-quality steel billets.
- Q: which companies are, and how the billet sales, how can we sell billet to ask for advice, thank you
- The main mold manufacturers, equipment manufacturers, military departments, measuring and cutting tools manufacturers.As for sales, one to information, two to high quality and low price, three to find relations.
- Q: How are steel billets cut to size?
- Steel billets are typically cut to size using a variety of methods, depending on the specific requirements and the equipment available. One common method is by using saws or shears, which are capable of cutting through the steel with precision and accuracy. These tools can be operated manually or by using automated machinery. Another method is flame cutting, which involves using a high-temperature flame to melt and sever the steel. This technique is commonly used for thicker billets or when more intricate shapes are required. Similarly, plasma cutting is also a popular method for cutting steel billets. It utilizes a high-velocity jet of ionized gas, which is capable of melting and cutting through the steel. This method is often used when a high level of precision is required, as it offers smoother edges and a more precise cut. Additionally, water jet cutting is another option for cutting steel billets. This process involves using a high-pressure jet of water mixed with an abrasive material to cut through the steel. Water jet cutting is particularly suitable for materials that are sensitive to heat or for achieving intricate shapes. In some cases, steel billets may be cut using laser cutting technology. This method involves using a laser beam to heat and melt the steel, allowing for precise and efficient cutting. Laser cutting is often preferred for its ability to cut through various thicknesses and complex shapes. Ultimately, the choice of cutting method for steel billets depends on factors such as the desired precision, the thickness of the billet, the complexity of the shape, and the available equipment.
- Q: What is the chemical composition of steel billets?
- The chemical composition of steel billets typically consists of iron as the primary element, along with varying amounts of carbon, manganese, silicon, sulfur, and phosphorus. The exact composition may vary depending on the specific grade and intended use of the steel billets. Carbon is usually present in small amounts, typically ranging from 0.02% to 0.5%, as it helps to increase the strength and hardness of the steel. Manganese is often added to improve the toughness and hardenability of the steel, while silicon helps in deoxidizing the metal and enhancing its strength. Sulfur and phosphorus are impurities that are typically kept at low levels, as they can negatively affect the mechanical properties of the steel. Additionally, small amounts of other elements such as chromium, nickel, and molybdenum may be added to enhance specific properties of the steel, such as corrosion resistance or high-temperature strength.
- Q: What are the different surface treatments applied to stainless steel billets?
- Stainless steel billets can undergo several surface treatments to enhance their appearance and improve their resistance to corrosion. Some commonly used surface treatments include: 1. Pickling: By immersing the billets in an acid bath, like nitric or hydrofluoric acid, any scale or oxide layers formed during the manufacturing process can be removed. Pickling restores the stainless steel's original finish and provides a clean and smooth surface. 2. Passivation: This chemical process is employed to boost the corrosion resistance of stainless steel. By immersing the billets in an oxidizing solution, usually a nitric acid bath, any embedded iron or contaminants are eliminated from the surface. Passivation creates a thin oxide layer on the stainless steel surface, which aids in preventing corrosion and maintaining the integrity of the material. 3. Electropolishing: This electrochemical process involves removing a thin layer of material from the billet's surface. By passing an electric current through the billets while they are submerged in an electrolyte solution, the surface becomes smoother and any defects or impurities are eliminated. Electropolishing not only enhances the appearance of stainless steel but also improves its corrosion resistance and facilitates cleaning. 4. Grinding and polishing: These mechanical processes utilize abrasive materials to eliminate imperfections or irregularities from the stainless steel billets' surface. Grinding is achieved using a coarse abrasive wheel, while polishing involves progressively finer abrasives to achieve a smooth and reflective surface. These processes can produce various finishes, ranging from a brushed or satin finish to a mirror-like polished finish. These different surface treatments can be utilized individually or in combination to achieve the desired appearance and performance characteristics for stainless steel billets in diverse applications.
- Q: What are the main factors affecting the surface finish of steel billets?
- The main factors affecting the surface finish of steel billets include the quality and cleanliness of the raw materials used, the temperature and pressure during the production process, the type and condition of the equipment used for processing, and the skill and expertise of the personnel involved in handling and finishing the billets. Additionally, factors such as the presence of impurities, chemicals, or contaminants, as well as the use of lubricants or surface treatments, can also impact the surface finish of steel billets.
- Q: What are the potential applications of steel billets in the automotive sector?
- The automotive sector benefits greatly from the versatility of steel billets. These billets play a vital role in producing automotive parts and components. They can be processed and shaped into rods, bars, and sheets to create essential components like engine parts, chassis, and suspension systems. The strength and durability of steel make it an ideal material for automotive applications. By transforming steel billets into high-strength steel alloys, we can harness their exceptional mechanical properties, including high tensile strength, hardness, and impact resistance. These properties are crucial for structural components like vehicle frames and bodies, providing stability and enhancing passenger safety. Engine parts such as crankshafts, camshafts, and connecting rods also benefit from the strength and resistance to wear and fatigue that steel billets offer. Gears, axles, and transmission components, which face demanding conditions in the automotive industry, require excellent mechanical properties that steel billets can provide. Steel billets are also instrumental in manufacturing suspension systems, including control arms, stabilizer bars, and springs. These components must withstand heavy loads, vibrations, and impacts while ensuring optimal ride comfort and handling. Steel billets' high strength and toughness make them well-suited for these critical suspension components. Moreover, steel billets find application in the production of safety features in automobiles. For instance, they can be used to manufacture reinforced door beams, which improve the vehicle's structural integrity and provide protection in the event of a collision. Seat frames and seatbelt components also benefit from the use of steel billets, ensuring passenger safety and restraint systems. In conclusion, the vast and essential applications of steel billets in the automotive sector cannot be overstated. Their strength, durability, and excellent mechanical properties make them indispensable for producing a wide range of automotive components, including engine parts, structural elements, and safety features.
- Q: What is the average lifespan of a steel billet in a structural application?
- The average lifespan of a steel billet in a structural application can vary greatly depending on several factors. These factors include the quality of the steel used, the specific structural application, the environmental conditions, and the level of maintenance and care provided to the structure. In general, steel is known for its durability and longevity, making it a popular choice for structural applications. With proper design, construction, and maintenance, a steel billet can have a lifespan that ranges from several decades to over a century. However, it is important to note that certain factors can significantly impact the lifespan of a steel billet. For example, exposure to harsh environmental conditions such as extreme temperatures, corrosive substances, or high levels of humidity can accelerate the deterioration of the steel and reduce its lifespan. Similarly, the structural application itself plays a crucial role in determining the lifespan of a steel billet. Structures subject to heavy loads, frequent vibrations, or dynamic stresses may experience faster deterioration and require more frequent maintenance or replacement. Lastly, the quality of the steel used also influences the lifespan of a steel billet. Higher quality steels, such as those with superior corrosion resistance or higher tensile strength, tend to have longer lifespans compared to lower grade steels. To accurately determine the average lifespan of a steel billet in a specific structural application, it is recommended to consult with structural engineers, manufacturers, or industry experts who can evaluate the specific conditions and provide a more accurate estimate based on their expertise and knowledge of the particular project.
- Q: How are steel billets used in the manufacturing of hydraulic systems?
- Steel billets are used in the manufacturing of hydraulic systems as a raw material for shaping and forging different components such as cylinders, pistons, valves, and fittings. These billets are heated, rolled, and machined into the desired shapes and sizes, ensuring high strength and durability for the hydraulic system's functioning.
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Prime quality prepainted galvanized steel 690mm
- 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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