Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653

Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653 System 1

Hot-dip Zinc Coating Steel Building Roof Walls ASTM 653

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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 ASTM 653
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 ASTM 653

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: How are steel coils secured during transportation?: Steel coils are typically secured during transportation using metal bands or straps, which are tightly fastened around the coils to prevent them from shifting or falling off. Additionally, wooden blocks or dunnage may be used to provide stability and prevent movement within the transportation container.

Q: I am currently writing a manuscript, and would like to know whether guns made out of steel, burn or melt when exposed to flames. Thanks.: Yes they melt and rather easily. Guns are made by melting steel and many police departments destroy confiscated guns by melting them.

Q: What are the challenges in coil recoiling?: Coil recoiling, also known as coil winding, can pose several challenges depending on the specific application and requirements. Some of the common challenges in coil recoiling include: 1. Precision and accuracy: Achieving precise and accurate winding is crucial for optimal coil performance. Maintaining consistent tension throughout the winding process, ensuring proper alignment, and controlling the speed are essential to avoid variations in the coil's electrical properties. 2. Wire management: Handling the wire during the recoiling process can be challenging. The wire may be delicate, prone to tangling, or have specific handling requirements, such as being magnetically or thermally sensitive. Proper wire management techniques, such as tension control, wire guide systems, and spooling mechanisms, need to be employed to prevent wire damage and ensure uniform winding. 3. Space constraints: In many applications, coils need to fit within specific space limitations. Designing and winding coils to fit compact spaces can be challenging, especially when considering the required number of turns, wire size, insulation, and any additional components or structures that may need to be incorporated. 4. Material selection: Selecting the appropriate wire and insulation material is crucial for coil performance and longevity. Factors such as electrical conductivity, thermal properties, mechanical strength, and chemical resistance need to be considered to ensure the coil can withstand the operating conditions and environmental factors it will be exposed to. 5. Heat dissipation: Coils often generate heat during operation, especially in high-power applications. Efficient heat dissipation is essential to prevent overheating and ensure the longevity of the coil. Designing the coil with proper ventilation, utilizing cooling mechanisms, or integrating heat sinks are some of the techniques used to address this challenge. 6. Quality control: Ensuring consistent quality in coil recoiling can be challenging due to factors such as variations in wire properties, operator skill, equipment calibration, and environmental conditions. Implementing robust quality control measures, such as conducting regular inspections, performing electrical tests, and monitoring process parameters, is necessary to maintain consistent coil performance. Overall, coil recoiling requires attention to detail, precision, and adherence to specific requirements to overcome the challenges and produce high-quality coils that meet the desired performance criteria.

Q: What are the different types of steel coil treatments?: There are several different types of steel coil treatments that are used to enhance the properties and performance of steel coils. These treatments include: 1. Annealing: Annealing is a heat treatment process that involves heating the steel coil to a specific temperature and then slowly cooling it. This treatment helps to relieve internal stresses, improve ductility, and increase the overall strength of the steel coil. 2. Pickling: Pickling is a chemical treatment that involves immersing the steel coil in a solution of acid or other chemicals to remove impurities, scale, and rust from the surface. This treatment helps to improve the surface finish and cleanliness of the steel coil. 3. Oil coating: Oil coating is a treatment that involves applying a thin layer of oil or other protective coating to the surface of the steel coil. This treatment helps to prevent corrosion, improve lubricity, and protect the steel coil during storage and transportation. 4. Galvanizing: Galvanizing is a process that involves coating the steel coil with a layer of zinc to protect it from corrosion. This treatment creates a barrier between the steel coil and the surrounding environment, ensuring long-term durability and resistance to rust. 5. Tempering: Tempering is a heat treatment process that involves heating the steel coil to a specific temperature and then rapidly cooling it. This treatment helps to improve the toughness and strength of the steel coil, making it more resistant to impact and deformation. These are just a few examples of the different types of steel coil treatments that are commonly used. Each treatment has its own specific purpose and benefits, and the choice of treatment will depend on the desired properties and application of the steel coil.

Q: What are the different methods of perforating steel coils?: There are several methods of perforating steel coils, including rotary punch, laser cutting, and stamping. Each method offers its own advantages and is chosen based on factors such as the desired hole size, material thickness, and production volume. Rotary punch involves using a rotating tool to create holes in the steel coil, while laser cutting uses a high-powered laser beam. Stamping, on the other hand, involves using a die and press to create holes by applying pressure to the steel coil.

Q: I know that mild steel is more brittle than cast iron....but that is all.......please help??Thank you in advance......Ruby:D: Mild steel is iron that has had most of the carbon removed in an open hearth furnace or a Bessemer converter. It is mainly the carbon content that makes iron brittle (iron is brittle, not steel).

Q: What are the different types of steel coil cutting blades?: There are several different types of steel coil cutting blades, including shear blades, slitting blades, and rotary slitter knives. Shear blades are used for straight cuts and are typically made of high-speed steel or carbide. Slitting blades are designed for cutting coils into narrower strips and can be made of high-speed steel or tungsten carbide. Rotary slitter knives are used in rotary slitting machines and come in various configurations, such as circular or straight-edged blades, depending on the specific cutting requirements.

Q: What are the different cutting methods for steel coils?: Steel coils can be cut using various methods depending on specific requirements and desired outcomes. Some commonly used cutting methods for steel coils include: 1. Slitting: Narrower strips can be obtained by cutting the steel coil using a slitting machine equipped with multiple circular blades. The coil is unwound and passed through the blades, resulting in the desired width. Slitting is commonly employed in industries like automotive manufacturing or electrical appliance production, where narrower steel strips are needed. 2. Shearing: This method involves using a shear machine with a straight blade to cut through the steel coil. The blade presses against the coil, cutting it into desired lengths or shapes. Shearing is ideal for applications requiring precise cuts or specific sizes. 3. Laser cutting: A high-powered laser is used to cut through the steel coil in this advanced method. The laser beam is directed onto the coil, melting or vaporizing the metal to create a clean and accurate cut. Laser cutting is highly precise and can be used to cut intricate designs or patterns into the steel coil. It finds applications in industries such as aerospace, automotive, and electronics. 4. Plasma cutting: A high-velocity jet of ionized gas, usually a mixture of oxygen and an inert gas like nitrogen or argon, is employed to melt and remove metal from the steel coil. Plasma cutting is known for its speed and versatility, as it can cut through various metals, including steel. It is commonly used in industries like shipbuilding or construction, where fast and efficient cutting is required. These are just a few of the cutting methods available for steel coils. The choice of method depends on factors such as desired outcome, coil thickness, and specific application requirements. It is advisable to consult with a professional or specialist to determine the most suitable cutting method for your specific needs.

Q: What is the current value of steel? Is it expected to increase in value?: They'd never be worth much for their steel content, likely always less than face value. They might be worth a premium as coins, but not anything you'd call an investment.

Q: I am about to do a welding project and we are instructed to only use mild steel. I want to use found objects like coins, spoons, bottle caps, screws, and other small fasteners. Are these mild steel? What other objects can I use that are mild steel?: Mild steel is what your friends get when they see your mom's cleavage.

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