Galvanized Steel CoiLs of High Qualities

Galvanized Steel CoiLs of High Qualities System 1

Galvanized Steel CoiLs of High Qualities

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 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.

Thickness: 0.2-3.0mm

Width: 600-1500mm

Coating Mass: Z08-Z275

Tolerance for thickness,width,flatness and so on conform to the requirements of JIS G3302 or ASTM A653M/924M

The speicfication of ASTM Such as A653m,A924 M and so on have been updated to the latest revisions

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

• Workability, durability

• Excellent anticorrosive property

• Excellent process capability

• High strength

• Smooth and flat surface

3.Hot-Dip Galvanized Steel Sheet Images

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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

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

5.FAQ of Hot-Dip Galvanized Steel Sheet

We have organized several common questions for our clients，may help you sincerely：

1.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.

Q: What are the different types of steel coil welding methods?: There are three main types of steel coil welding methods: resistance welding, arc welding, and laser welding. Resistance welding uses an electric current to generate heat and join the steel coils together. Arc welding uses a high-intensity electric arc to melt the edges of the coils, creating a strong weld. Laser welding utilizes a focused laser beam to melt and fuse the coils, resulting in a precise and high-quality weld.

Q: I bought a steel pendant on eBay, but it turned out to be too shiny.I've read on a couple forums that if I leave it soaked in urine for 2 days, it will get duller.Now, if it really does get duller, will the pendant get rusty afterwards?So is the shiny surface the only thing that prevents it from rusting?Any simple, non-urine ideas on how to make it duller are welcome too.Thanks!: Stainless steel will rust under proper conditions. I live on a boat on salt water, trust me. If the urine works it won't be prone to rusting any more than before. It's not the shine that inhibits rusting with stainless steel, it the % of carbon in the steel, compared to regular steel. IF the urine works it's because it is acidic (a mild acid). Wash it with a small brush and some baking soda to neutralize the acid when your done. A much stronger acid would be swimming pool acid. (Muriatic acid) but be careful you might test a spot with a Q tip on the back. If you try Muriatic acid it would take seconds.Then wash in baking soda water to remove all acid.. SS

Q: What are the different types of steel coil loading and unloading methods used during processing?: There are several different methods used for loading and unloading steel coils during processing. Some common methods include overhead crane lifting, forklift transportation, coil cars, and coil transfer cars. Each method has its own advantages and is chosen based on factors such as the size and weight of the coils, the available equipment, and the layout of the facility.

Q: What are the different types of steel coil surface defects?: During the manufacturing or handling process, various steel coil surface defects may arise. Some commonly encountered types are as follows: 1. Rust: When moisture or oxygen comes in contact with the steel coil, rust, a reddish-brown discoloration, may develop on its surface. 2. Scratches: While the steel coil is being handled or transported, superficial marks known as scratches can be incurred. These marks can vary in depth and severity, ranging from light surface scratches to deep gouges. 3. Stains: Exposure to chemicals or other substances can lead to stains, discolored patches that appear on the coil's surface. Removing them may prove to be challenging. 4. Roll marks: During the rolling process, impressions or indentations called roll marks may form. Uneven pressure or misalignment of the rolls causes them, resulting in lines or patterns on the coil's surface. 5. Edge wave: Imperfectly flat edges of the coil can result in a defect known as edge wave. This defect causes the edges to appear wavy or uneven and can impact the coil's overall appearance and performance. 6. Oil spots: If the oil or lubricants utilized in the manufacturing process are not adequately removed, surface defects called oil spots can manifest. These spots appear as dark patches or spots on the coil's surface and may hinder the adhesion of coatings or paints. 7. Pitting: Small, shallow depressions or pits on the coil's surface are indicative of a defect called pitting. Factors like corrosion, uneven cooling, or impurities in the steel can cause this defect. 8. Holes: Holes are severe surface defects that can arise due to various factors, including corrosion, mechanical damage, or manufacturing errors. These defects come in different sizes and can significantly compromise the coil's structural integrity. Promptly addressing these surface defects is crucial for maintaining the quality and performance of the steel coil. Regular inspections, proper handling, and appropriate surface treatments can help minimize the occurrence of these defects.

Q: Are steel coils resistant to rust and corrosion?: Yes, steel coils are typically resistant to rust and corrosion due to their protective coating or treatment that prevents the steel from coming into direct contact with moisture or oxygen.

Q: What are the different types of steel coil coatings?: There are several different types of steel coil coatings that are used for various purposes. Some of the most common types include: 1. Galvanized Coating: This is a zinc-based coating that provides excellent corrosion resistance to steel coils. It is often used in outdoor applications where the coils are exposed to harsh weather conditions. 2. Galvannealed Coating: Similar to galvanized coating, galvannealed coating also contains zinc, but it is heat-treated to form an alloy with the steel surface. This type of coating provides better paint adhesion and is often used in applications where the coated coils will be painted or further processed. 3. Pre-painted Coating: As the name suggests, pre-painted coatings are applied to steel coils before they are delivered to customers. These coatings can be made of various materials, including polyester, polyurethane, epoxy, or fluoropolymer. Pre-painted coils are commonly used in construction, automotive, and appliance industries. 4. Electro-galvanized Coating: This coating is applied to steel coils through an electroplating process, where a thin layer of zinc is deposited on the surface of the steel. Electro-galvanized coatings provide good corrosion resistance and are often used in indoor applications or where a thinner coating is desired. 5. Aluminized Coating: Aluminized coatings are made by applying a thin layer of aluminum to the surface of steel coils. This type of coating provides excellent heat resistance and is commonly used in exhaust systems, ovens, and other high-temperature applications. 6. Organic Coatings: Organic coatings are typically applied to steel coils to provide additional protection against corrosion and improve aesthetics. These coatings can be in the form of paints, lacquers, or powder coatings, and they can be customized to meet specific requirements in terms of color, gloss, and durability. Overall, the choice of steel coil coating depends on the specific application, environmental conditions, desired aesthetics, and performance requirements.

Q: How can the outer diameter and weight of steel coil be converted?: When it comes to this question, in fact, a lot of them are irrelevant. The weight of the steel rolls means that there is a unit weight called the weight of each mm in the width of the steel coil

Q: I want to save water $$, so I want to use frozen steel to cool my coke. possible or no?: If you put steel in the freezer, allow it to cool to 32 degrees and then put it in water a transfer of heat will occur and the water will cool off. How much and how quickly, I don't know. I believe the Mythbusters did experiments on something like this. If it were economical, we woud see steel ice cubes being sold instead of ice makers.

Q: So I was thinking about doing corset waist training and I wanted to know where I can get a real steel boned corset?: Hi, okorder / There are 3 types of corsets: Fashion corsets, Authentic corsets and Waist training corsets. The fashion corsets are designed for light enclasping of body. They are made with plastics bones usually. The authentic corsets can reduce your waist size about 4 - 5 and the waist training corsets about 6. They both are made with steel spirals and flat bones. The waist training corsets are recommended for experienced wearers only. Look on info pages of the seller. The corsets reinforced with plastic bones are cheap with low durability.

Q: How are steel coils used in the production of solar panels?: Steel coils are used in the production of solar panels as a crucial component for the frame and support structure. The coils are shaped and cut to size, providing the necessary strength and stability to hold the solar cells and other components securely in place.

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