Galvanized/Aluzinc Steel Coil with Best Quality in China

Galvanized/Aluzinc Steel Coil with Best Quality in China System 1

Galvanized/Aluzinc Steel Coil with Best Quality in China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
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:

Galvanized/Aluzinc Steel Coil with Best Quality in China

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:

Galvanized/Aluzinc Steel Coil with Best Quality in China

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 common defects in steel coil surface finishes?: Scratches, pits, rust, oil stains, and uneven coating are all common defects that can be found on the surface finishes of steel coils. Scratches are typically caused by mishandling or transportation and can significantly impact both the appearance and performance of the coil. Pits, on the other hand, are small depressions that can be attributed to various factors such as impurities in the steel or incorrect processing techniques. Rust occurs when the coil is exposed to moisture or corrosive environments, and this can compromise the structural integrity of the material. If the coil is not adequately cleaned before or after processing, oil stains may appear, leaving unattractive marks on the surface. Lastly, uneven coating can arise during the application of protective coatings or paints, resulting in varying levels of protection and aesthetics across different areas of the coil. It is crucial to address these defects to ensure the steel coil's quality and durability in its intended applications.

Q:What are the different types of steel coil surface finishes for aesthetics?: There are several types of steel coil surface finishes commonly used for aesthetic purposes. These include mill finish, brushed finish, mirror finish, embossed finish, and patterned finish. Each finish has its own unique appearance and texture, allowing for a wide range of aesthetic options when it comes to steel coil applications.

Q:How are steel coils used in the manufacturing of household goods?: Household goods rely on steel coils for their manufacturing, utilizing them in various ways. One notable application is in the creation of appliances like refrigerators, washing machines, and ovens. These coils are skillfully molded and formed into different parts and components, fortifying the final product with durability and robustness. Moreover, furniture manufacturing frequently incorporates steel coils, specifically in constructing metal frames for chairs, tables, and bed frames. The coils can be bent, welded, or molded to desired specifications, providing a solid and dependable foundation for these essential household items. Additionally, steel coils find utility in the production of kitchen utensils and cookware. These coils can be expertly stamped or pressed into diverse shapes, including pots, pans, and cutlery. Consequently, this process generates long-lasting and heat-resistant products that are indispensable for everyday cooking and food preparation. In essence, steel coils assume a critical role in the manufacturing of household goods, imparting strength, durability, and adaptability to a wide array of products.

Q:How are steel coils used in the production of metal doors and windows?: Metal doors and windows rely on steel coils as a vital element for their production. These coils, usually crafted from high-grade steel, act as the primary raw material in the manufacturing process. To begin, the uncoiling process is crucial when utilizing steel coils. The coils are unwound and introduced into a machine called a roll former. This machine meticulously molds the steel into the desired shape for the door or window frame. Before entering the roll former, the steel is typically cut to the necessary length. Once the steel has been shaped, it undergoes a series of additional manufacturing processes. These processes may involve creating holes for hardware installation, bending the steel to form specific angles or curves, and welding different sections together to construct a complete frame. The steel coils provide the essential structural integrity and durability required for these processes. Furthermore, steel coils also play a critical role in enhancing the visual appeal of metal doors and windows. They can be coated with various finishes, such as galvanized or powder-coated, to protect against corrosion and enhance the overall appearance of the final product. These coatings not only add an extra layer of durability but also allow for customization to match different architectural styles and design preferences. In conclusion, steel coils serve as the foundational material in the production of metal doors and windows. They are shaped, cut, and processed to create the necessary components for these products. Additionally, steel coils can be coated to improve their durability and aesthetic appeal. Ultimately, these coils significantly contribute to the strength, durability, and overall quality of metal doors and windows.

Q:How do you prevent damage to steel coils during transportation?: To prevent damage during the transportation of steel coils, there are several measures that can be taken: 1. Tight and secure packaging: It is important to pack the steel coils tightly and securely to prevent any movement or shifting during transportation. This can be achieved by using appropriate packaging materials such as steel cradles, wooden dunnage, or steel straps to hold the coils in place. 2. Use cushioning materials: Adding cushioning materials like foam padding, cardboard, or bubble wrap between the coils can help absorb shocks and vibrations during transit. This additional layer of protection minimizes the risk of scratches, dents, or other damages caused by contact with other objects or surfaces. 3. Handle and load properly: It is crucial to use proper lifting equipment and techniques to avoid mishandling and dropping of the steel coils. Carefully lifting and loading the coils onto transportation vehicles using forklifts or cranes is recommended. Additionally, stacking the coils in a way that distributes weight evenly helps maintain stability. 4. Protect from weather: Steel coils are susceptible to corrosion, so it is essential to shield them from moisture and adverse weather conditions during transportation. Covering the coils with waterproof and weather-resistant tarps or shrink wrap prevents water or moisture from reaching the steel surfaces. 5. Regular inspections: Conducting regular inspections before, during, and after transportation is vital to identify any potential damage or issues. This allows for timely intervention to rectify any problems and prevent further damage. 6. Trained personnel: It is crucial to ensure that personnel involved in handling, loading, and transporting the steel coils are properly trained. They should be knowledgeable about the correct procedures and techniques to safely handle and transport the coils, reducing the risk of damage. By implementing these preventive measures, the likelihood of damage to steel coils during transportation can be significantly reduced, ensuring that the coils reach their destination in optimal condition.

Q:I have a need to connect various stainless steel tubes and fitting together and was wondering how to do it. I know a TIG welder is an option but have heard rumors that there is a way to solder it in much the same way you affix copper pipe. Perhaps with higher heat and different flux. I need step by step and maybe suppliers of the materials. Thanks in advance and please I do not need the call a plumber answers as I've gotten in the past: Soft Soldering All grades of stainless steel can be soldered with lead-tin soft solder. Leaded solders should not be used when the product being soldered is used for food processing, serving or transport. Soldered joints are relatively weak compared to the strength of the steel, so this method should not be used where the mechanical strength is dependent upon the soldered joint. Strength can be added if the edges are first lock-seamed, spot welded or riveted. In general, welding is always preferable to soldering. Recommended procedure for soldering: · 1. The steel surfaces must be clean and free of oxidation. · 2. A rough surface improves adherence of the solder, so roughening with grinding wheel, file or coarse abrasive paper is recommended. · 3. Use a phosphoric acid based flux. Hydrochloric acid based fluxes require neutralising after soldering as any remnant traces will be highly corrosive to the steel. Hydrochloric acid based fluxes are not recommended for soldering of stainless steels. · 4. Flux should be applied with a brush, to only the area being soldered. · 5. A large, hot iron is recommended. Use the same temperature as for carbon steel, but a longer time will be required because of stainless steel's low thermal conductivity. · 6. Any type of solder can be used, but at least 50% tin is recommended. Solder with 60-70% tin and 30-40% lead has a better colour match and greater strength.

Q:It seems that steel would be stonger and more stable than wood, fire resistant, and better for the environment, so why are most homes wood-framed rather than steel-framed?: In most locations a 2x4 is slightly cheaper than a steel stud. The labor is cheaper with wood because it's less skilled and there are many people to swing a hammer cheaply. Most contractors do what they know and most only know wood.

Q:What are the different methods of testing the mechanical properties of steel coils?: There are several methods for testing the mechanical properties of steel coils. Some commonly used methods include tensile testing, hardness testing, impact testing, and bend testing. Tensile testing measures the strength and ductility of the steel by applying a tensile force until it breaks. Hardness testing determines the resistance of the steel to indentation or scratching. Impact testing measures the ability of the steel to withstand sudden forces or shocks. Bend testing evaluates the flexibility and resistance to cracking of the steel by bending it to a specific angle. These methods help assess the quality and performance of steel coils in various applications.

Q:Steel being my favorite type, I just picked up Heart Gold today, my gf got Soul Silver...I was wondering which steel types are available and somewhat easily obtainable in HG (and/or what is the earliest steel type I can get?): easiest would be magnemite the good steel types will require some more effort My favorite steel type, scizor, needs a trade with a metal coat... And you don't find metal coat until halfway into the game There's also steelix there aren't that many steel types in the johto generation. There are some good ones in the hoenn so you could transfer from there

Q:I saw a 27 sedan and a 27 Pick-up one had wood wheels the other steel, respectively. Witch one was original or were they both original: Wooden Spoke Wheels

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