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: what is magnetic steel used for and if it can be used for producing kitchenwares utenils like stainless steel basines,mugs and bowls.: Magnetic steel rusts. That's why kitchenware is often made out of stainless. You can't turn magnetic steel into stainless, sorry. Metalurgy is a complicated subject, and is all about different alloys. It's far too involved to explain in a few paragraphs here, but no, they're not interchangeable in this case unless you want to produce kitchenware that rusts.

Q: Are steel buildings more durable than concrete building?: Not necessarily as most concrete buildings are steel re-inforced anyway. As for durable, if talking time based, no, because steel will corrode and concrete will not. The good thing about concrete is that it has good load bearing capability over wide spans whereas steel will bend unless properly supported. Concrete is cheaper also....

Q: Can steel coils be coated with scratch-resistant materials?: Yes, steel coils can be coated with scratch-resistant materials. These materials can provide a protective layer that minimizes the risk of scratches and damage to the steel coils during transportation, handling, and storage.

Q: What are the different grades of steel used in coil manufacturing?: There are various grades of steel used in coil manufacturing, including low carbon steel, medium carbon steel, high carbon steel, stainless steel, and alloy steel. These grades differ in their composition, strength, and corrosion resistance, allowing manufacturers to choose the most suitable grade for specific applications and requirements.

Q: How are steel coils used in the manufacturing of cables?: Steel coils are used in the manufacturing of cables as the core material around which the cable is wrapped. The high tensile strength of steel provides durability and stability, allowing the cable to withstand tension and pressure. The steel coils also help in preventing the cable from stretching or bending excessively, ensuring its structural integrity.

Q: How are steel coils used in the manufacturing of wires?: Steel coils are used in the manufacturing of wires by being uncoiled and then fed through a series of machines where they are drawn, stretched, and twisted to the desired diameter and shape. This process helps to strengthen the wires and make them more flexible for various applications such as electrical wiring, construction, and manufacturing.

Q: Please explain why steel is denser than wood.: Steel is made up mostly of iron with a very small amount of carbon added. Iron is a metallic element with a high atomic number which means it's molecules contain lots of particles and consequently it is relatively heavy, or dense. Wood on the other hand is made up mostly of carbon which is a non-metallic element with a lower atomic number and fewer particles in each molecule, and consequently it is a lot lighter or less dense than steel.

Q: Can steel coils be used in marine environments?: Yes, steel coils can be used in marine environments, but proper precautions need to be taken to prevent corrosion. Steel is prone to corrosion when exposed to moisture and saltwater, which are common in marine environments. To counteract this, the steel coils can be treated with protective coatings, such as galvanization or painting, to create a barrier between the steel and the corrosive elements. Additionally, regular maintenance and inspections should be performed to identify any signs of corrosion and take appropriate action to prevent further damage. By implementing these measures, steel coils can be effectively used in marine environments while minimizing the risk of corrosion and ensuring their durability and performance.

Q: How do steel coils contribute to energy efficiency in buildings?: Steel coils contribute to energy efficiency in buildings by enhancing insulation and reducing heat transfer. These coils are often used in heating, ventilation, and air conditioning (HVAC) systems to efficiently regulate temperature. The coils help transfer heat effectively, allowing for better control over indoor climate and reducing the energy required for heating or cooling. Additionally, steel coils are durable and require less maintenance, making them a cost-effective solution for long-term energy efficiency in buildings.

Q: How are steel coils manufactured?: Steel coils are manufactured through a series of processes that involve the transformation of raw materials into the final product. The manufacturing process begins with the extraction of iron ore, which is then smelted in a blast furnace to produce pig iron. The pig iron is further refined in a basic oxygen furnace to remove impurities and adjust the carbon content. Once the molten steel is obtained, it is continuously cast into large slabs or billets. These slabs are then rolled into thinner sheets or strips through a process called hot rolling. This involves passing the steel through a series of high-pressure rollers, which reduce the thickness and shape the material to the desired dimensions. During this process, the steel is also treated to improve its mechanical properties, such as strength and hardness. After hot rolling, the steel is pickled and cleaned to remove any scale or impurities on the surface. It is then cold rolled to further reduce the thickness and improve the surface finish. Cold rolling involves passing the steel through a set of rollers at room temperature, which increases its strength and dimensional accuracy. To form steel coils, the cold-rolled steel is typically wound tightly into a large coil shape. This is achieved by feeding the steel strip through a series of rollers that gradually wind it into a spiral. The coils are then typically annealed to relieve internal stresses and improve the material's formability. Finally, the steel coils are coated or treated, depending on their intended use. This can involve applying a protective coating, such as zinc or paint, to enhance corrosion resistance or providing a specific surface treatment for improved adhesion in subsequent processes. Overall, the manufacturing of steel coils is a complex process that involves several stages, including smelting, casting, hot rolling, cold rolling, coiling, and surface treatment. Each step contributes to the final product's quality and properties, ensuring that steel coils meet the required specifications for various industrial applications.

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