Cold Rolled Hot Dipped Galvanized steel Coils
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
BASE SUBSTRATE | Hot dip galvanized steel (HDGI), ZINCALUME STEEL COIL |
GRADE | SGCC,ENG10142, DX51D, ASTM A653 |
ZINC COATING | 30-200g |
COIL WEIGHT | 3-7TON |
INTERNAL DIAMETER(ID) | 508mm |
THICKNESS | 0.2-0.8 mm |
WIDTH | 914-1250mm |
FINISHING | SMOOTH OR MATTE |
PATTERN | MARBLE GRAIN OR WOOD GRAIN |
PAINT | EXPOXY, POLYESTER, PVDF |
TOP LACQURE COATING | >20 um |
BACK LACQURE COATING | 7 um |
CAPABILITY | 100000 TON per year |
QUALITY QURANTEE | 10 YEARS OF OUTDOOR USING FOR PE |
Applications of Prepainted Galvanized Steel Coil:
1) Buildings and constructions: roofing, ceilings, gutters, venting lines, indoor decorations, window frames, etc.
2) Electrical appliances: computer shells, washing machines, refrigerators, dehumidifiers, video recorders, water heaters, etc.
3) Agricultural equipments: troughs, feeding tools, agricultural driers, irrigation channels, etc.
4) Vehicle parts: back-seat plates of buses and trucks, conveying systems, oil tanks, etc.
Coating Chief Feature
| Project | Pencil hardness | Reverse impact | T bending | Cupping test | MEK cleaning |
| Front/back | ≥ H/2H | ≥ 9J/6J | ≤ 3T/5T | ≥ 6mm/4mm | ≥ 100time/50time |
Structure of GI/PPGI
| Item | Thickness | Type | Feature |
| Laminated film | 50μm | Polyethylene | Protecting from scratchs and contamination (option) |
| Top coat | 20μm | Polyester Fluorine | Chemical resistance and formability |
Primer coat | 5μm | Polyester | Workability, corrosion resistance and adhesion to the primer coating |
| Chemical treatment | 1μm | Chromate | Good adhesion and corrosion resistance |
| Substrate | 0.2mm-1.2mm | GI.GL,AL | GI.GL,AL |
| Back coat |
5±2μm |
Epoxy | Corrosion resistance and adhesion to the substrate |
- Q: What are the different methods of slitting steel coils?
- There are several different methods of slitting steel coils, each with its own advantages and limitations. Some of the most common methods include: 1. Rotary Shear Slitting: This method involves using rotating knives to cut the steel coil into narrower strips. It is a versatile and efficient method that allows for high-speed production and precise slitting. Rotary shear slitting is commonly used for thinner gauge materials. 2. Looping Pit Slitting: In this method, the steel coil passes through a looping pit where it is guided and tensioned before being slit. It is suitable for thicker gauge materials and provides good edge quality. Looping pit slitting allows for higher coil speeds and can handle heavier coils. 3. Drag Slitting: This method involves dragging the steel coil over a stationary blade or set of blades to perform the slitting. It is particularly useful for materials that are difficult to slit, such as high-strength steels. Drag slitting provides excellent edge quality and is often used for precision slitting applications. 4. Crush Slitting: Crush slitting involves applying pressure to the steel coil to crush and separate it into narrower strips. It is a cost-effective method suitable for lower gauge materials. However, it may result in slightly rougher edge quality compared to other methods. 5. Laser Slitting: Laser slitting utilizes a focused laser beam to cut through the steel coil. It is a highly precise method that offers excellent edge quality and minimal distortion. Laser slitting is commonly used for high-value and specialty materials. Each method has its own advantages and is suitable for specific applications and material types. The choice of slitting method depends on factors such as material thickness, desired edge quality, production speed requirements, and budget.
- Q: How are steel coils inspected for thickness and width accuracy?
- Steel coils are inspected for thickness and width accuracy using non-destructive testing methods such as ultrasonic testing and laser measurement systems. Ultrasonic testing involves sending high-frequency sound waves through the coil, and by analyzing the reflected waves, the thickness of the steel can be determined. Laser measurement systems use lasers to scan the width of the coil, providing precise measurements. These inspection methods help ensure that steel coils meet the required thickness and width specifications.
- Q: How are steel coils inspected for surface cleanliness using cleanliness tests?
- To ensure that steel coils meet required quality standards, cleanliness tests are conducted to inspect their surface cleanliness. These tests utilize various methods to assess the presence of contaminants such as dirt, oil, grease, rust, or scale on the coils' surface. One commonly utilized cleanliness test involves visual inspection, where trained inspectors visually examine the coils' surface for visible contaminants. They search for signs of staining, discoloration, or foreign substances that could impact the steel's quality. Another cleanliness test involves wiping the surface of the steel coil with a clean cloth or wipe. The cloth is subsequently analyzed for contaminants using techniques like gravimetric analysis or solvent extraction. The amount of contaminants collected on the cloth provides an indication of the steel surface's cleanliness. Surface roughness tests are also performed to assess cleanliness. A roughness gauge is used to indirectly measure the presence of contaminants by measuring the roughness of the steel surface. If the surface roughness measurements surpass specified limits, it suggests the presence of contaminants that affect the steel's cleanliness. In addition to these tests, techniques like wetting tension measurement, water break test, or contact angle measurements may be employed as part of cleanliness tests. These techniques evaluate the steel's surface energy and wetting properties, which can be influenced by the presence of contaminants. By conducting cleanliness tests, thorough inspection of steel coils for surface cleanliness is achieved. These tests aid in identifying potential contaminants that could compromise the steel's quality and performance. By ensuring the surface cleanliness of steel coils, manufacturers can deliver high-quality products that meet the stringent requirements of diverse industries.
- Q: Can steel coils be coated with anti-graffiti materials?
- Yes, steel coils can be coated with anti-graffiti materials.
- Q: What materials are used to make steel coils?
- Steel coils consist primarily of steel, an alloy primarily composed of iron and carbon. The choice of steel type for coil production depends on the desired properties and applications. Carbon steel is typically the preferred option due to its strength, durability, and versatility. Additional alloying elements, like manganese, silicon, nickel, or chromium, may be incorporated to enhance specific steel characteristics or properties. To produce steel coils, the raw materials are melted, the molten steel is refined, and specialized equipment and processes are employed to shape it into coils.
- Q: What's the best way to clean granite countertops and stainless steel appliances? My countertops especially always look dull and streaky. Thanks!!!!!!!
- Granite purely needs a wipe with washing liquid in water Dry off applying a micro fibre textile comparable which comprise your chrome steel yet to maintain it finding extreme high quality practice a splash little one oil on cotton wool and wipe over This facilitates look after its shine and lustre
- Q: Can steel coils be coated with abrasion-resistant materials?
- Yes, steel coils can be coated with abrasion-resistant materials. These materials are specifically designed to provide a protective layer against wear and tear caused by friction, impact, or other forms of abrasion. Coating steel coils with abrasion-resistant materials helps to enhance their lifespan and durability, making them suitable for various applications that involve high levels of abrasion or mechanical stress.
- Q: How do steel coils contribute to the HVACR industry?
- Steel coils play a crucial role in the HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) industry by serving as a primary component in various applications. These coils are typically made from a durable and corrosion-resistant material, such as stainless steel or galvanized steel, which ensures their longevity in demanding HVACR environments. One of the most common uses of steel coils in the HVACR industry is in air conditioning systems. These coils are responsible for transferring heat between the refrigerant and the surrounding air. The coils, often referred to as evaporator coils, absorb heat from the indoor air, cooling it down and removing moisture. They then release the heat outside through a condenser coil, allowing for efficient cooling and dehumidification of the air. Steel coils are also utilized in heat exchangers, which are vital components in HVACR systems. Heat exchangers transfer thermal energy between two fluids, allowing for efficient heating or cooling. Steel coils, often in the form of finned tubes, provide a large surface area for heat transfer and help enhance the overall efficiency of the system. Furthermore, steel coils are extensively used in the construction of ductwork, which is the network of channels that distribute conditioned air throughout a building. These coils are formed into various shapes and sizes to fit specific ductwork designs, ensuring optimal airflow and temperature control. Additionally, the durability and strength of steel coils make them suitable for withstanding the pressure and forces exerted by airflows in duct systems. In refrigeration systems, steel coils are integral to the process of transferring heat out of an enclosed space, such as a refrigerator or freezer. The coils, often referred to as condenser coils, release heat from the refrigerant as it changes from a high-pressure gas to a high-pressure liquid. This allows for the cooling and preservation of perishable goods, making steel coils essential in the food service and cold storage industries. Overall, steel coils contribute significantly to the HVACR industry by enabling efficient heat transfer, optimal temperature control, and reliable operation of various HVACR systems. Their durability, corrosion resistance, and versatility make them a crucial component in providing comfortable and controlled environments in residential, commercial, and industrial settings.
- Q: What is the average lead time for receiving replacement steel coils?
- The average lead time for receiving replacement steel coils can vary depending on various factors such as supplier availability, shipping logistics, and order requirements. However, it is common for lead times to range from a few days to several weeks. It is advisable to contact the specific supplier or manufacturer for accurate and up-to-date information on lead times.
- Q: Personally, I like Steel Cage matches to end in pinfalls. One of the biggest selling points of a Cage match is that it is to keep the competitors in and keep others out; essentially ensuring that it's a 1 on 1 match. As a result, I believe that pinfalls or submissions are important - but I know there's a lot of people that believe cage matches should only end in escape. What do you think??
- I don't really care either way. The only way I don't like it to end is when the door is opened and the person just walks out. That really isn't hard to win it like that. For last night I was hoping before the match that Bryan would win by escaping the cage. It fit his character, being a coward champ.
Send your message to us
Cold Rolled Hot Dipped Galvanized steel Coils
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
