Hot-dip Zinc Coating Steel Building Roof Sheets in Coil Prime Quality

Hot-dip Zinc Coating Steel Building Roof Sheets in Coil Prime Quality System 1

Hot-dip Zinc Coating Steel Building Roof Sheets in Coil Prime Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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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 Sheets in Coil Prime Quality

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: 0.1mm~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 about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.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.

3. 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 the typical load-bearing capacity of a steel sheet?: The typical load-bearing capacity of a steel sheet can vary depending on its thickness, grade of steel, and how it is supported. However, on average, a standard steel sheet can typically bear loads ranging from 5,000 to 20,000 pounds per square inch.

Q:Are steel sheets resistant to rust or corrosion?: Yes, steel sheets are resistant to rust or corrosion due to the presence of protective coatings or alloys that prevent the metal from oxidizing when exposed to moisture or other corrosive elements.

Q:What are the different types of coatings available for steel sheets?: There are several types of coatings available for steel sheets, including galvanized coatings, which involve applying a layer of zinc to protect against corrosion; metallic coatings, such as aluminum or tin, which provide a barrier against corrosion; organic coatings, including paints and polymers, which offer both protection and aesthetic appeal; and ceramic coatings, which provide high-temperature resistance and can be used in extreme environments.

Q:Are the steel sheets magnetic?: Yes, steel sheets are magnetic. Steel is primarily composed of iron, which is a ferromagnetic material. This means that it can be magnetized and attracts other magnetic materials. Steel sheets are often used in applications where magnetic properties are required, such as in the manufacturing of magnets, electrical appliances, and various industrial equipment.

Q:Are steel sheets suitable for earthquake-resistant construction?: Yes, steel sheets are suitable for earthquake-resistant construction. Steel has high strength and ductility, which enables it to absorb and dissipate seismic forces during an earthquake. Additionally, steel structures can be designed to be flexible and lightweight, reducing the chance of collapse or damage during seismic events.

Q:How do steel sheets perform in terms of noise reduction?: Steel sheets have excellent noise reduction properties due to their high density and stiffness. They effectively absorb and dampen sound waves, resulting in reduced noise transmission and improved acoustic insulation.

Q:What are the different sheet metal joining techniques for steel sheets?: Steel sheets can be joined using various techniques. Welding is commonly used, where the edges of the sheets are melted and fused together using heat and pressure. Different welding techniques like arc, spot, or laser welding can be used depending on the requirements. Riveting is another method, involving the use of metal fasteners called rivets. Holes are drilled in the sheets, and the rivets are inserted and deformed to secure the joint. This technique is suitable for structural applications due to its strength and durability. Bolting involves using bolts and nuts to connect the sheets. Holes are drilled, and bolts are inserted through them, with nuts tightened on the other side. Bolting allows for easy disassembly and reassembly, making it suitable for applications requiring frequent maintenance or repairs. Adhesive bonding is a technique where a strong glue is used to bond the sheets. The adhesive is applied between the surfaces, and pressure is applied for proper bonding. This method provides a clean and aesthetically pleasing joint without the need for drilling holes or using fasteners. Clinching is a cost-effective and quick method for joining steel sheets. It involves deforming the sheets using a punch and die, creating a mechanical interlock. This technique does not require additional materials and is suitable for various applications. The choice of joining technique depends on factors such as the specific application, required strength, durability, cost, and ease of assembly. Each technique has its own advantages and limitations.

Q:What is called steel plate sanding process?: Steel plate sand, we call sandblasting, sandblasting is the steel structure of the steel plate surface treatment.

Q:Can steel sheets be used for decorative column wraps?: Yes, steel sheets can be used for decorative column wraps. Steel sheets are a versatile material that can be easily shaped and customized to fit various design preferences. They can be used to create sleek and modern column wraps, as well as more intricate and ornate designs. Steel sheets can be painted or coated with different finishes to enhance their aesthetic appeal and protect them from corrosion. Additionally, steel is a durable and long-lasting material, making it suitable for both indoor and outdoor applications. Whether you are looking to add a contemporary touch or a traditional charm to your space, steel sheets can be an excellent choice for decorative column wraps.

Q:How do steel sheets perform in terms of sound insulation?: Steel sheets have poor sound insulation properties compared to other materials such as wood or gypsum. They do not effectively block or absorb sound waves, resulting in minimal reduction of noise transmission.

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