Best Quality of Galvanized Steel Coil from China

Best Quality of Galvanized Steel Coil from China System 1

Best Quality of Galvanized Steel Coil from China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 5000 m.t./month

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1. Hot-Dip Galvanized Steel Coil Description：

Hot-dip galvanized steel coil 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 application.

2.Main Features of the Hot-Dip Galvanized Steel Coil：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Coil Images

Best Quality of Galvanized Steel Coil from China

4.Hot-Dip Galvanized Steel Coil Specification

Standard: AISI, ASTM, BS, DIN, GB, JIS

Grade: SPCC, SPCD, Q195, DX51D

Thickness: 0.15-5.0mm

Model Number: coil

Type: Steel Coil

Technique: Cold Rolled

Surface Treatment: Galvanized

Application: Container Plate

Special Use: High-strength Steel Plate

Width: 600-1250mm

Length: depends

commodity: hot dipped galvanized steel coil

technique: cold rolled

thickness: 0.15-5.0mm

width: 600-1500mm

surface treatment: galvanized

zinc coating: 50-275g/m2

coil weight: 3-7 tons

coil ID: 508/610mm

spangle: zero spangle, regular spangle, small spangle, big spangle

payment term: by L/C or T/T

5.FAQ of Hot-Dip Galvanized Steel Coil

What’s the application of this product?

There are many applications for this product. For example, roofing, cladding, decking, tiles, sandwich walls, etc.

What’s the coating composition of Hot-Dip Galvanized Steel Coil?

The coating composition is 55% aluminium in weight ratio, 43.4% zinc, and 1.5% silicon, with excellent corrosion and heat resistance performance.

Q: How do steel coils compare to other materials, such as aluminum or copper?: Steel coils have several advantages over other materials such as aluminum or copper. Firstly, steel is generally stronger and more durable, making steel coils less prone to damage or deformation. Additionally, steel has better heat resistance and can withstand higher temperatures, making it suitable for a wider range of applications. Steel coils also tend to be more cost-effective compared to aluminum or copper, making them a popular choice in various industries.

Q: What are the different methods of transporting steel coils?: There are several methods of transporting steel coils, including using flatbed trucks, railcars, and ocean vessels. Flatbed trucks are commonly used for short distances and local deliveries, while railcars are utilized for longer distances and intermodal transportation. For international shipments, steel coils are typically transported on ocean vessels, either in containers or as breakbulk cargo. The choice of method depends on factors such as distance, destination, and cost-effectiveness.

Q: What are the different methods of tension leveling for steel coils?: There are several methods of tension leveling for steel coils, each with its own advantages and applications. 1. Roller leveling: This method involves passing the steel coil through a series of rollers under high tension. The rollers are strategically positioned to apply pressure on the coil, effectively stretching and elongating it. Roller leveling is commonly used for thinner gauge coils and is effective in removing coil set, crossbow, and edge wave defects. 2. Stretch leveling: In this method, the steel coil is subjected to a combination of tension and elongation. The coil is gripped by clamps at both ends and then stretched using hydraulic or mechanical devices. This process helps to remove residual stresses, flatten the coil, and improve shape control. Stretch leveling is particularly suitable for thicker gauge coils and can effectively eliminate wavy edges and center buckle. 3. Temper rolling: This method involves passing the steel coil through a series of temper rolls, which apply pressure on the surface of the coil. Temper rolling is primarily used to improve the surface finish of the steel and enhance its mechanical properties. It can also help to reduce coil set and improve flatness. 4. Skin pass rolling: In this method, the steel coil is passed through a series of rolls that apply a light pressure on the surface. Skin pass rolling is typically performed after the primary leveling process to further improve surface finish, enhance flatness, and reduce surface defects such as scratches or marks. 5. Stretcher leveling: This method involves clamping the steel coil at both ends and then applying tension to stretch it. The stretched coil is then held in this position for a period of time to allow for stress relief and shape correction. Stretcher leveling is commonly used for thicker gauge coils and can effectively remove coil set, crossbow, and center buckle. Each of these tension leveling methods offers unique advantages and is suitable for different types of steel coils and specific requirements. The choice of method depends on factors such as coil thickness, desired flatness, surface finish, and the specific defects that need to be corrected.

Q: How are steel coils used in the production of metal staircases?: Steel coils are an essential component in the production of metal staircases. These coils, typically made of high-quality carbon steel, are first uncoiled and then go through a series of manufacturing processes to shape them into the required stair components. The first step in the production process involves cutting the steel coils into the desired lengths using specialized machinery. This allows for customized sizing to fit the specific staircase design. Once cut, the coils are then formed into various shapes and profiles, such as stringers, treads, and risers, through processes like bending, rolling, and stamping. The use of steel coils provides several advantages in the production of metal staircases. Firstly, steel is known for its strength and durability, making it an ideal material choice for staircases that need to withstand heavy loads and frequent use. The flexibility of steel coils allows for the creation of intricate and complex staircase designs, providing architects and designers with a wide range of options. Furthermore, steel coils can be coated or finished in various ways to enhance their appearance and protect them from corrosion. This can include painting, powder coating, or applying a protective layer such as galvanization. These finishes not only add aesthetic value to the metal staircases but also increase their longevity and resistance to wear and tear. In summary, steel coils are integral to the production of metal staircases as they provide the raw material that is shaped and formed into the necessary components. Their strength, flexibility, and ability to be finished in different ways make steel coils a versatile and reliable choice for manufacturing durable and visually appealing staircases.

Q: Is boron steel or carbon steel a harder metal? Which one is more flexible?: The only thing that affects the hardness of steel is the carbon content. But there are many elements that can make it easier for a steel to achieve its maximum hardness. And Boron is an extremely effective element that increases the hardenability of steel. Adding as little as 0.002% Boron can have a big impact upon quenching of a steel. Boron is usually added when you need the hardness of a heat treated steel part to extend deep below the surface. For example, lets say you had a two identical plain carbon steel parts, but one had boron and the other didnt, and you wanted to heat treat them both After quenching, the surface should be the same on both, and lets say its 55 Rockwell C. In the plain carbon one, the hardness might drop down to 50 at 2mm under the surface, but the boron treated one might not drop to 50 until 4mm under the surface. Now, these numbers were completely made up, and it would depend on the specifics as to what the difference might be.

Q: How are steel coils inspected for impact resistance?: Steel coils are inspected for impact resistance through various methods including conducting visual inspections, performing non-destructive testing such as ultrasonic testing and magnetic particle inspection, and conducting drop tests to simulate real-life impact scenarios. These inspection techniques help ensure that the steel coils meet the required standards and can withstand potential impacts during transportation, handling, and usage.

Q: Question about steel type used in bridges.?: It is used for other things besides bridges and that might be a bad use. Corten was used for very tall light standards in the Fort Worth Water Gardens with the clear understanding that it was to be kept dry. As time passed and personnel changed, somebody decided the round base with bolts sticking up was ugly and put dirt and plantings in the basin in the concrete holding the poles. The watering of the plants kept the rust going through the steel and one pole eventually fell, killing two people. The other light poles were removed.

Q: Can steel coils be coated with barcodes?: Yes, steel coils can be coated with barcodes. The barcode can be applied to the surface of the steel coil using various methods such as printing, engraving, or even attaching a barcode label. This allows for easy identification and tracking of the steel coils throughout the supply chain.

Q: How are steel coils coated to prevent rust and corrosion?: Steel coils are coated to prevent rust and corrosion through a process called galvanization. This involves immersing the coils in a bath of molten zinc, which forms a protective layer on the steel surface. This zinc coating acts as a barrier, preventing oxygen and moisture from coming into contact with the steel, thus reducing the risk of rust and corrosion.

Q: where can you find carbon steel in los angeles?? what store?? preferabbly 01 carbon steel: There are many Carbon Steel manufacturers. One needs to search for the best manufacturer who has variety of Carbon Steel products in its portfolio, such as Compression Tube Fittings, Pipe Fittings, Flanges, Tubes , Pipes, Industrial Fasteners, Sheets , Plates, and Valves. Kinnari Steel Corporation is a privately held stockiest and distributors of Stainless Steel and Alloy Steel, the head office in Mumbai and subsidiary offices , Om Tubes and Fittings Arihant Tubes and Fittings in Mumbai Pune . Kinnari Steel have exported to over 45 countries including UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Egypt, Venezuela, Kuwait, Madagascar, Angola Sri Lanka.

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