Prime Quality Galvanized Steel Coil /GI/PPGI in Stock
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 223 m.t.
- Supply Capability:
- 2332 m.t./month
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1.Structure of Hot-Dip Galvanized Steel Sheet Description:
Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.
2.Main Features of the Hot-Dip Galvanized Steel Sheet:
• Excellent process capability
• Smooth and flat surface
• Workability, durability
• Excellent anticorrosive property
• High strength
• Good formability
• Good visual effect
3.Hot-Dip Galvanized Steel Sheet Images
4.Hot-Dip Galvanized Steel Sheet Specification
Standard: ASTM, JIS,EN
Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570
Thickness: 0.1mm~5mm
Width: max 2000mm
Coil weight:3-12 MT
Coil ID:508/610mm
Surface structure: zero spangle, regular spangle or minimum spangle
Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed
Packing: Standard seaworthy export package
Technology test results:
Processability | Yield strength | Tensile strength | Elongation % | 180°cold-bending |
Common PV | - | 270-500 | - | d=0,intact,no zinc removal |
Mechanical interlocking JY | - | 270-500 | - | d=0,intact,no zinc removal |
Structure JG | >=240 | >=370 | >=18 | d=0,intact,no zinc removal |
Deep drawn SC | - | 270-380 | >=30 | d=0,intact,no zinc removal |
EDDQ SC | - | 270-380 | >=30 | d=0,intact,no zinc removal |
5.FAQ of Hot-Dip Galvanized Steel Sheet
We have organized several common questions for our clients,may help you sincerely:
1.How about your company?
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.
2.How to guarantee the quality of the products?
We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
3. How long can we receive the product after purchase?
Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.
- Q: What are the different methods of tempering steel coils?
- There are several different methods of tempering steel coils, each with its own advantages and disadvantages. Some of the most common methods include: 1. Air cooling: This is the simplest and most common method of tempering steel coils. The coils are heated to a specific temperature and then allowed to cool naturally in ambient air. This method is relatively quick and cost-effective, but it can result in uneven cooling and may not provide as precise control over the final properties of the steel. 2. Water quenching: In this method, the steel coils are heated and then rapidly cooled by immersing them in a bath of water. Water quenching provides a more rapid and controlled cooling rate than air cooling, resulting in greater hardness and strength. However, it can also lead to increased distortion and the formation of internal stresses in the steel. 3. Oil quenching: Similar to water quenching, oil quenching involves immersing the steel coils in a bath of oil to rapidly cool them. Oil quenching provides a slower and more uniform cooling rate compared to water quenching, resulting in reduced distortion and internal stresses. However, it also produces slightly lower hardness and strength compared to water quenching. 4. Salt bath quenching: This method involves immersing the steel coils in a heated bath of molten salt to rapidly cool them. Salt bath quenching provides an even and controlled cooling rate, resulting in improved hardness and strength compared to air or water quenching. However, it requires specialized equipment and may not be suitable for all types of steel. 5. Induction hardening: In this method, the steel coils are heated using an induction heating process and then rapidly cooled using either air, water, or oil quenching. Induction hardening allows for precise control over the heating and cooling process, resulting in specific hardness and strength properties in desired areas of the steel. However, it requires specialized equipment and is typically used for specific applications or parts of the steel coils. Overall, the choice of tempering method depends on various factors such as the desired properties of the steel coils, the type of steel being used, and the specific requirements of the end application.
- Q: How are steel coils inspected for paint adhesion using adhesion testers?
- Steel coils are inspected for paint adhesion using adhesion testers by applying a controlled amount of force to a specially prepared test area on the coil's surface. The adhesion tester measures the amount of force required to remove the paint coating from the surface, providing a quantitative assessment of the paint adhesion. This process helps ensure the quality and durability of the paint coating on the steel coils.
- Q: What are the different types of steel coil surface treatment options?
- There are several different types of steel coil surface treatment options available, each serving a specific purpose and providing various benefits. Some of the common surface treatment options include: 1. Hot-dip galvanizing: This process involves immersing the steel coil in a bath of molten zinc, which forms a protective zinc coating on the surface. Galvanizing provides excellent corrosion resistance and helps in extending the lifespan of the steel coil. 2. Electro-galvanizing: Similar to hot-dip galvanizing, but instead of immersing the coil in molten zinc, an electric current is used to deposit a thin layer of zinc onto the steel surface. Electro-galvanizing provides a smoother and thinner zinc coating, making it suitable for applications that require a more aesthetic finish. 3. Pre-painted or coated: Steel coils can be coated with a layer of paint or other protective coatings before they are formed into various products. This type of treatment provides additional protection against corrosion and enhances the aesthetic appearance of the steel coil. 4. Organic coating: Organic coatings are typically applied to steel coils to provide protection against corrosion and improve the overall durability of the product. These coatings can be in the form of epoxy, polyurethane, or other types of polymer-based materials. 5. Pickling: Pickling is a surface treatment process that involves removing impurities and scale from the steel coil by immersing it in an acid solution. This treatment helps in improving the adhesion of subsequent coatings and prepares the surface for further processing or finishing. 6. Oil coating: Steel coils can be coated with a thin layer of oil to protect the surface from oxidation and rust during storage or transportation. This coating is typically used as a temporary measure and is usually removed before further processing. 7. Shot blasting: Shot blasting involves propelling small metal particles at high velocity onto the steel coil surface. This process helps in removing rust, scale, and other contaminants, providing a clean and roughened surface for better adhesion of subsequent coatings. These are some of the commonly used steel coil surface treatment options. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, aesthetic appearance, or improved adhesion.
- Q: Steel is a mixture of Iron Carbon . So , is steel a metal or non - metal ?
- This Site Might Help You. RE: Is Steel a Metal or Non - Metal ? Steel is a mixture of Iron Carbon . So , is steel a metal or non - metal ?
- Q: How are steel coils used in the manufacturing of steering columns?
- Steel coils are used in the manufacturing of steering columns as they provide strength and durability to the structure. The steel coils are typically formed into a cylindrical shape and then welded or joined together to create the main body of the steering column. This ensures that the steering column can withstand the forces and impacts experienced during vehicle operation, providing stability and control to the driver.
- Q: How are steel coils stored and transported?
- Steel coils are typically stored in large warehouses or outdoor storage yards. They are stacked horizontally on top of each other, with wooden or steel supports placed between each coil to prevent damage. When it comes to transportation, steel coils are usually loaded onto flatbed trucks, railcars, or shipping containers. Specialized equipment such as coil racks or coil cradles may be used to secure and stabilize the coils during transport.
- Q: Which of the two are better for exhaust manifolds, im guessing the stainless steel right?
- Cast iron. That's what OEMs use obviously it's better. Bring on the Thumbs Down from the peanut gallery.
- Q: What are the factors affecting the formability of steel coils?
- There are several factors that can affect the formability of steel coils. Some of the key factors include the composition of the steel, its mechanical properties, the thickness and width of the coils, the temperature at which the forming process takes place, the type and amount of lubrication used, and the speed and pressure applied during forming. Additionally, the presence of defects or impurities in the steel can also impact its formability.
- Q: What is the average flatness tolerance for steel coils?
- The average flatness tolerance for steel coils can vary depending on the specific industry and application. However, a common industry standard for flatness tolerance in steel coils is typically around 0.25% to 0.5% of the coil width.
- Q: Im looking at some knives and am wandering if they use good steel one is this case knife and its 54 dollars Do they use good steel or not Iv never had a good experience with Case but am wandering if they use good steel now? if you all have any other recommendations let me hear them I got my Selection from here so any others wont hurt. so basic break down does case use good steel know?
- Old Case Knives
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Prime Quality Galvanized Steel Coil /GI/PPGI in Stock
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 223 m.t.
- Supply Capability:
- 2332 m.t./month
OKorder Service Pledge
OKorder Financial Service
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