Hot-Dipped Galvanized Steel Coils (Dx51d+Z)

Hot-Dipped Galvanized Steel Coils (Dx51d+Z) System 1

Hot-Dipped Galvanized Steel Coils (Dx51d+Z)

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:Steel Coil 0005

Surface Treatment:Galvanized

Certification:ISO, SGS

Technique:Cold Rolled

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

Application:Roof Boarding,Appliances Shell

Edge:Slit edge

Stock:Not Stock

Steel Grade:Dx51d+Z

Export Markets:Southeast Asia, Africa, Mid East, Eastern Asia

Additional Info.

Trademark:N/M OR OEM

Packing:3-5tons/Roll with Seaworthy Packages

HS Code:72104900

Production Capacity:6000tons Per Month

Product Description

Galvanized Steel Coil
Material: DX51D, DX52D, SGCC, SGCH, SPGC
Thickness: 0.13-0.7mm
Width: 750-1250mm(762mm, 914mm, 1000mm, 1200mm, 1219mm, 1250mm)
Zinc: 40g, 60g, 80g, 90, 100g, 120g, 140g, 180g, 200g, 250g, 275g and so on.
Spangle: Zero spangle, regular spangle or normal spangle
Surface treatment: Chromated and oiled, chromated and non-oiled
Packing: Export standard, plastic film+water proof paper + steel plate+ packing steel strip

Q&A

Acceptable payment term and way?

T/T,L/C, T/T + L/C, D/P

Acceptable price term

FOB CNF CIF DDU CPT
Do you accept OA payment terms?

Yes, sure, but it normally depending on the order value
Do you have QC team?

Yeah, sure, our QC team is very important, they will keep the qualitycontrol for our products.
What is the validity of your quotation?

Normally 7 days.
What is your advantage?
24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent
What is your acceptable payment term?

TT,LC,OA etc

Q: How do steel coils impact the environment?: Steel coils impact the environment in several ways. Firstly, the production of steel coils requires large amounts of energy and resources, leading to increased greenhouse gas emissions and depletion of natural resources. Additionally, the manufacturing process generates air and water pollution, contributing to environmental degradation. Furthermore, the disposal of steel coils after use can result in land pollution if not properly managed. Overall, the production and use of steel coils have a significant environmental footprint.

Q: why does steel have a density range when other metals do not?: Steel is not a pure element it is an alloy. Steel is primarily iron but it has many elements blended in that change it's density including carbon,silicon, nickel, chrome, etc. Aluminum and copper , magnesium and so forth can be the pure element or they can be alloys too. If they are alloys, then their densities vary also

Q: How are steel coils used in the manufacturing of automotive parts?: Steel coils are used in the manufacturing of automotive parts as they provide a versatile and cost-effective material for producing various components. These coils are first processed and shaped into specific forms, such as sheets or strips, which are then further worked on to create parts like body panels, chassis, and suspension components. The high strength and durability of steel make it suitable for ensuring the structural integrity and safety of automobiles, while its malleability allows for easy forming and welding processes.

Q: Can steel coils be coated with zinc?: Yes, steel coils can be coated with zinc through a process known as galvanization.

Q: Could someone please explain what happens when steel is heat treated and why these happenings cause the steel to become harder? Please dig down into the micro details of the crystallites but in somewhat laymen's terms. Also describe the processes which achieve these results; if you have the time. Thanks for your time and effort.: Alright, usually whu heat you heat treat mild steel, this is because you would like it stronger than you got it. To do this you must alter the grain structure of the part or in other words, the CRYSTALLITES. Ultimately you'll end up altering the nature of the grains structure changing the tensile strength it can handle, yield strength, and even change the elongation percentage that it can tolerate under load. Heat treatment controls the rate of diffusion, and the rate of cooling within the microstructure to create these elements. Usually what they use to do this is add an element to it to make it stronger such as carbon to increase its rockwell hardness, which by the way the lower you go the harder the part can become. Heat treatment can be used in more ways than this. It can also be used to weaken the parts grain structure. This will lower the parts mechanical properties making it softer and more ductile or easier to manipulate if you have to bend it into a particular shape. Typically if you allow the part to cool after heat treatment it does go through annealing. The part will be heat treated into different stages. The first being the austenitic crystal phase which depending on how hard and strong you want it, will be at its peak. When it is cooled, it will go through a will transform to martensite which is a hard yet brittle crystalline structure. Martenised part will usually be tempered to a certain degree to improve the mechanical properties to what is needed. There is more to this and you can use the link below to read more about it.

Q: I have several stainless steel utensils and appliances, so when I put them through the dishwasher some of them are rusting, I think its because my current dishwashing soap is harsh, what is some great dishwashing soap that will clean my dishes and not be so hard on my stainless steel appliances and utensils?: Stainless steel that has screws almost always rusts in the dishwasher. Also semi-complicated stainless steel utensils rust in the dishwasher...things like an egg whisker. This is true no matter what detergent you use. Dishwasher detergent almost always contains bleach. That causes stainless to rust if it has nooks and crannies. The solution? Hand wash them and let them air dry. The only stainless steel I run through the dishwasher is table flatware (knives, spoons, and forks.) You'll get a much longer life out of your utensils if you hand wash them and just let them air dry.

Q: How are steel coils straightened?: Steel coils are straightened using a process called leveling, which involves passing the coil through a series of rollers that apply pressure to gradually remove any bends or deformations in the steel.

Q: What are the common surface finishes for steel coils?: Steel coils can have various surface finishes, depending on specific requirements and applications. Some commonly used finishes include: 1. Hot-dip galvanization: This involves immersing the steel coil in molten zinc to create a protective layer. It offers excellent corrosion resistance and is often used outdoors. 2. Electro-galvanization: In this process, a thin layer of zinc is electroplated onto the steel coil. It provides good corrosion resistance and a smooth finish, making it suitable for automotive parts and appliances. 3. Galvannealing: Steel coils are coated with a zinc-iron alloy through a high-temperature annealing process. This finish improves paint adhesion and offers excellent corrosion resistance, making it ideal for automotive parts and construction materials. 4. Tinplating: A thin layer of tin is applied to the steel coil, providing excellent corrosion resistance and a shiny appearance. Tinplate is commonly used for packaging materials and cans. 5. Pre-painting: Steel coils are coated with a layer of paint, offering corrosion resistance and an attractive finish. It is often used for building materials like roofing and siding. 6. Cold-rolling: Steel coils are rolled at room temperature, resulting in a smooth and clean surface. Cold-rolled coils are used when a high-quality surface finish is required, such as in automotive parts and appliances. These are just a few examples of the surface finishes available for steel coils. The choice of finish depends on desired properties, such as corrosion resistance, appearance, and specific application requirements.

Q: what is the refining process doing to raw materials in steel: As Mr. Perfessor says, refining raw steel involves a lot of purifications of the raw steel; and to expand a bit, these refining processes also add corrosion-resistances to certain graded steels, and durability factors, when heat-tempering processes are used. All of these refining processes, and coating processes help steel products last when exposed to moistures, salts, and other corrosive conditions that steel can be exposed to, whether the steel is in open-air/water/space, embedded in concretes and other masonry products, or part of a protective barrier system in power plants, engines, etc. Hope this also helps; the eggster.

Q: How are steel coils used in the production of structural components?: Steel coils are an integral part of the production process for structural components. These coils, which are made of steel that has been rolled into a continuous strip, provide the raw material necessary for manufacturing a variety of structural components, such as beams, columns, and trusses. The first step in using steel coils for structural components involves uncoiling the strip and cutting it into the desired lengths. This can be done using a variety of cutting methods, such as shearing or sawing. Once the coils are cut into lengths, they are then processed further to shape them into the specific structural components needed for a particular project. One common method used to shape steel coils into structural components is through the process of bending or forming. This involves using specialized machinery to bend or shape the steel into the desired configuration. For example, a steel coil can be bent into an I-beam shape, which is commonly used as a load-bearing structural component in buildings and bridges. Another method used to shape steel coils into structural components is through the process of welding. This involves joining multiple steel coils together to create a larger component. Welding is often used to fabricate components such as columns or trusses, which require the combination of multiple steel coils to achieve the necessary strength and structural integrity. Once the steel coils have been shaped and formed into the desired structural components, they may undergo additional processes, such as surface treatment or coating, to enhance their durability and resistance to corrosion. This ensures that the components will have a long lifespan and can withstand the demands of their intended applications. In summary, steel coils are essential in the production of structural components as they provide the raw material necessary for manufacturing. Through processes such as cutting, bending, and welding, steel coils are shaped into the specific components needed for various construction projects. These components play a crucial role in supporting the structural integrity of buildings, bridges, and other structures.

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