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 types of steel coil slitting methods?: There are several different types of steel coil slitting methods, including rotary shear, loop slitting, and oscillating shear. Each method has its own advantages and is used for different applications in the steel industry.

Q:I do a lot of scrapping and would like to be able to separate stainless steel from regular steel. The magnet test doesn't always work since stainless can be magnetic, but what are some ways that I can for sure tell the difference? Or even something like a sound that they make that may help me to tell the difference.: Stainless steel uses chromium in its mixture to thwart the affects of corrosion. General steel, or carbon steel, is generally almost completely iron and is used for far greater applications than stainless steel. Stainless steel is used mostly in kitchen appliances, utensils, etc... The best thing I can come up with is to find a way to measure the chromium content of the steel you are looking at. If it's around 3% chromium, it's probably standard steel. If it's somewhere between 10-15% chromium it's probably stainless steel (or even 4% plus). I can't tell you a fast and quick way to test the steel because from my research, it appears there are as many grades and allows of steel as there are uses for steel! There is one test I've seen for home testing surgical steel which is a higher grade stainless steel, that is to put scotch tape on one section of material then soak it in water for a 24 hour period, then let it air dry for 24 hours. You remove the tape and lightly polish the exposed areas to see if there was any discoloration or pitting on the exposed area. This test is mainly for surgical steel jewelry, however stainless steel is supposed to resist rusting more than standard steel, hence it might work for other steel types as well. You may have to read some of the other links below to get some other ideas on how you can test steel to see if it is stainless.

Q:Can steel coils be coated with phosphorescent materials?: Yes, steel coils can be coated with phosphorescent materials. Phosphorescent coatings can be applied to steel coils to create a glowing effect in low-light conditions.

Q:How are steel coils tested for strength?: Steel coils are tested for strength through a process called tensile testing. In this test, a small sample of the steel coil is pulled until it breaks, allowing engineers to measure the maximum force the coil can withstand before failing. This helps determine the overall strength and quality of the steel coil.

Q:which elements are alloyed to make stainless steel?A Fe, CB Fe, MnC Fe, NiD Fe, CrE Fe, Cr, Ni: E. Stainless steel is mainly comprised of Cr and Ni. Steel is an alloy composed mainly of iron. On a side note, Carbon is not really in stainless steel and it is only less than .1%

Q:What are the common processing defects in steel coils?: Steel manufacturers must identify and rectify the following processing defects commonly found in steel coils: 1. Coil breaks: These occur when the steel strip breaks during the process of winding the coil. Improper tension control or material defects can cause these breaks. 2. Slivers: Thin, elongated steel pieces get trapped in the coil during the rolling process. Foreign materials, scale, or defects in the rolling mill can cause slivers. 3. Edge cracks: Cracks appearing along the edges of the coil are known as edge cracks. Improper edge trimming, material defects, or excessive rolling forces can cause these cracks. 4. Surface defects: Scratches, pits, or scars on the steel coil constitute surface defects. Handling issues, improper cleaning, or rolling mill defects can cause such defects. 5. Coil set: Coil set refers to the coil's tendency to retain a curvature even after it has been uncoiled. This can occur due to uneven cooling during the rolling process or improper tension control. 6. Oil spots: Stains or discolorations on the steel coil caused by residual oil or lubricants are known as oil spots. Inadequate cleaning or incorrect lubricant application can lead to oil spots. 7. Wavy edges: Irregularities or waves along the edges of the steel coil are referred to as wavy edges. Uneven rolling forces or improper edge trimming can cause these irregularities. 8. Lamination: Lamination defects occur when layers or sheets of steel are not properly bonded together. Material defects or improper rolling conditions can cause lamination defects. 9. Burr: A raised edge or roughness along the edge of the steel coil is called a burr. Improper trimming or cutting processes can cause burrs. 10. Non-uniform thickness: Non-uniform thickness refers to variations in the thickness of the steel coil. Uneven rolling forces, improper cooling, or material defects can cause non-uniform thickness. Identifying and addressing these processing defects is crucial for steel manufacturers to ensure the quality and reliability of their steel coils.

Q:How are steel coils secured during transportation?: Steel coils are typically secured during transportation using steel strapping, bands, or wire rope. These securements help prevent the coils from shifting or falling off the transportation vehicle, ensuring their safe delivery to the destination.

Q:What are the different types of steel coil cutting machines?: There are several different types of steel coil cutting machines available in the market, each designed to cater to specific needs and requirements. Some of the commonly used types include: 1. Slitting Machines: Slitting machines are used to cut steel coils into narrower strips. They have multiple circular blades that make precise cuts along the length of the coil, allowing for the production of narrower coils or strips. 2. Cut-to-Length Machines: Cut-to-length machines are designed to cut steel coils into specific lengths. These machines can accurately measure and cut the coil to the desired length, ensuring uniformity and precision. 3. Rotary Shears: Rotary shears are heavy-duty cutting machines that can handle thicker and larger steel coils. They use a rotating blade to cut through the coil, making it suitable for cutting thicker gauge materials. 4. Multi-Blanking Machines: Multi-blanking machines are designed to cut steel coils into multiple smaller blanks simultaneously. These machines can cut the coil into various shapes and sizes, making them ideal for producing multiple parts from a single coil. 5. Slit and Cut-to-Length Combination Machines: These machines combine the functionalities of slitting and cut-to-length machines, allowing for both narrow strip cutting and length cutting in a single process. They are versatile and efficient, saving time and increasing productivity. Each type of steel coil cutting machine has its own advantages and is suitable for specific applications. The choice of machine depends on factors such as coil thickness, desired strip width, required length accuracy, and production volume.

Q:What are the dimensions of steel coils used in the building materials industry?: The specific application and requirements determine the varying dimensions of steel coils in the building materials industry. Typically, steel coils in this industry have a thickness ranging from 0.5mm to 3mm and a width ranging from 600mm to 1500mm. The length of the coil can vary based on the manufacturer and customer specifications. It is important to note that the weight of the coil also varies, with typical weights ranging from a few hundred kilograms to several tonnes, depending on the size and thickness of the coil. Ultimately, the dimensions of steel coils in the building materials industry are determined by the specific needs and specifications of the intended construction projects.

Q:Can steel coils be recycled?: Yes, steel coils can be recycled. Steel is a highly recyclable material, and the recycling process for steel coils involves melting them down and reshaping them into new products. This helps conserve natural resources, reduce energy consumption, and minimize waste.

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