Hot-dip Zinc Coating Steel Building Roof Walls -Good Price

Hot-dip Zinc Coating Steel Building Roof Walls -Good Price System 1

Hot-dip Zinc Coating Steel Building Roof Walls -Good Price System 2

Hot-dip Zinc Coating Steel Building Roof Walls -Good Price

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls -Good Price

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

Hot-dip Zinc Coating Steel Building Roof Walls -Good Price

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: 0.18mm~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 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.

2. 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 coil slitting for precision cuts?: Coil slitting is a process used to cut large coils of material, such as steel, into narrower strips with precise dimensions. There are several methods of coil slitting for achieving precision cuts, each offering unique advantages and suitable for different applications. 1. Rotary Shear Slitting: This is the most common method used for coil slitting. It involves passing the coil through rotating circular knives that create two or more strips by shearing the material. The blades can be set at different distances apart to achieve the desired width of the strips. Rotary shear slitting offers high precision and is capable of producing smooth, burr-free edges. 2. Drag Knife Slitting: In this method, a knife with a drag or tangential orientation is used to cut the coil. The knife moves in a controlled path, following the contour of the material and producing accurate cuts. Drag knife slitting is suitable for materials with irregular shapes and is often used in the textile industry for cutting fabrics. 3. Scissor Slitting: Scissor slitting involves the use of two blades that move against each other in a scissor-like motion to cut the coil. This method is commonly used for thinner materials and provides excellent control over the cutting process. Scissor slitting is ideal for achieving precise cuts in materials that are prone to deformation or wrinkling. 4. Razor Slitting: Razor slitting utilizes a single razor blade or multiple razor blades in a holder to cut the coil. The blade(s) are positioned perpendicular to the material and slice through it. This method is particularly effective for cutting stretchy or delicate materials, such as plastic films or paper, as it minimizes the risk of tearing or deforming the material. 5. Crush Cutting: Crush cutting involves using a hardened steel roller or an anvil against a softer material, such as foam or rubber, to cut the coil. The pressure applied causes the material to deform and split along the desired cutting line. Crush cutting is suitable for materials that are difficult to cut with sharp blades and can produce precise, clean cuts. Overall, the choice of coil slitting method depends on the material being cut, the desired precision, and other requirements of the specific application. Each method offers its own benefits and can be tailored to meet specific cutting needs, ensuring accurate and efficient coil slitting processes.

Q:How are steel coils used in the production of steel wire?: Steel coils are used in the production of steel wire by being uncoiled and fed into a wire drawing machine. The steel wire is then drawn through a series of dies to reduce its diameter and increase its length. The coils provide a continuous and consistent supply of steel, ensuring a smooth and efficient production process.

Q:hi to every one I need to konw moer about steel and iron industry (process) thank you in advance for your intresting: Primary Steel Making first Iron ore Coke Lime stone are mined and then took to the steel plant and put in the top off a blast furnace and sinks down to the bottom off the blast furnace and turns into molten iron. Once this process has been done it is then transferred to a BOS (Basic Oxygen Steel Making) this is then poured from a ladle into the BOS and a Lance is inserted into the BOS and pure oxygen is blown into the BOS for about 30 min and turns into steel.

Q:What are the different types of steel coil handling devices?: There are various types of steel coil handling devices, including coil lifters, coil tongs, coil hooks, coil grabs, and coil carriages.

Q:What are the main factors that affect the paint adhesion on steel coils?: The main factors that affect paint adhesion on steel coils include surface preparation, cleanliness, and the presence of contaminants such as oil, grease, or rust. Other factors include the quality of the paint itself, the application method, and the curing process. Additionally, the type of steel and its surface condition can also influence paint adhesion.

Q:How are steel coils used in the production of steel containers?: Steel coils are used in the production of steel containers by being processed and shaped into the desired form. These coils are unrolled and cut into specific lengths, which are then formed into the shape of the container. The coils provide the necessary material and strength to create durable and sturdy containers for various industries such as shipping, storage, and manufacturing.

Q:What are the different types of steel coil storage systems used during processing?: There are several types of steel coil storage systems used during processing, including coil racks, coil cradles, coil saddles, coil cars, coil turnstiles, and coil transfer cars.

Q:What are the dimensions of steel coils used in the construction materials industry?: The dimensions of steel coils used in the construction materials industry can vary depending on specific requirements and applications. However, there are some common dimensions that are frequently used. Steel coils in this industry typically have a width ranging from 600mm to 2,000mm, with the most common widths being 1,000mm and 1,200mm. The thickness of these coils can range from 0.4mm to 2.5mm, with the most commonly used thicknesses being between 0.6mm and 1.2mm. The inner diameter of the coil, known as the core size, can vary from 508mm to 610mm, with 610mm being the most widely used core size. Additionally, the weight of these coils can also vary, with common weights ranging from 3 to 15 tons. It is important to note that these dimensions may vary based on specific project requirements and can be customized to suit the needs of a particular construction project.

Q:What are the common tests performed on steel coils?: Common tests performed on steel coils include visual inspection, dimensional measurement, tensile strength testing, hardness testing, surface finish evaluation, and coating thickness measurement. Additionally, other specialized tests like bend testing, impact testing, and corrosion resistance testing may also be performed depending on the specific requirements and application of the steel coils.

Q:What are the different methods of edge trimming for steel coils?: There are several methods of edge trimming for steel coils, depending on the specific requirements and application. Some of the common methods include: 1. Slitting: This is one of the most common methods used to trim the edges of steel coils. It involves passing the coil through a set of circular knives that cut the edges into narrower strips. Slitting can be done in-line during the manufacturing process or as a separate operation. 2. Shearing: Shearing is another popular method used for edge trimming. It involves using a set of blades to cut the edges of the coil in a straight line. Shearing is often used when precise and clean cuts are required, and it can be done manually or with the help of automated machinery. 3. Laser cutting: Laser cutting is a more advanced method that uses a high-powered laser to trim the edges of steel coils. This method provides precise and smooth cuts, and it is often used when high accuracy and quality are essential. Laser cutting can be incorporated into the production line or performed as a standalone process. 4. Grinding: Grinding is a method that involves using abrasive wheels or belts to remove material from the edges of steel coils. It is commonly used to remove burrs, rough edges, or surface imperfections. Grinding can be done manually or with the help of automated machines, depending on the scale and complexity of the trimming process. 5. Waterjet cutting: Waterjet cutting is a method that utilizes a high-pressure jet of water mixed with abrasive particles to trim the edges of steel coils. This method is known for its versatility and ability to cut through a wide range of materials and thicknesses. Waterjet cutting is typically used when complex shapes or intricate designs need to be achieved. Overall, the choice of edge trimming method for steel coils depends on factors such as the desired accuracy, speed, complexity of the edges, and the specific requirements of the application. Different methods offer varying levels of precision, efficiency, and cost-effectiveness, allowing manufacturers to select the most suitable technique for their specific needs.

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