Aluzinc Curragated Steel Sheet or Coil in High Quality

Aluzinc Curragated Steel Sheet or Coil in High Quality System 1

Aluzinc Curragated Steel Sheet or Coil in High Quality System 2

Aluzinc Curragated Steel Sheet or Coil in High Quality

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
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

Aluzinc Curragated Steel Sheet or Coil in High 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	Elongation %	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 are the main applications of steel sheets?: Steel sheets have a wide range of applications, including construction projects, automotive manufacturing, shipbuilding, appliance production, and industrial machinery. They are used for structural components, such as beams and columns, as well as for cladding, roofing, and flooring. Additionally, steel sheets are utilized in the production of various consumer goods, such as furniture, containers, and electrical appliances.

Q:How are steel sheets protected during welding?: Shielding plays a crucial role in safeguarding steel sheets during welding. Its purpose is to shield the sheets from oxygen and other atmospheric contaminants that can lead to oxidation and impurities in the weld. Multiple methods are utilized to shield the steel sheets during welding. One commonly employed approach involves using a shielding gas, such as argon or carbon dioxide, which is directed towards the welding area to establish a protective atmosphere. This gas displaces the surrounding oxygen, effectively preventing it from reacting with the heated metal and causing oxidation. In addition to the use of shielding gas, another widely used method involves employing flux. Prior to welding, a substance known as flux is applied to the joint area of the steel sheets. Acting as a protective barrier, the flux creates a molten slag that covers the weld and provides shielding from the atmosphere. Flux can take the form of a powder, paste, or even a continuous wire feed during welding. Furthermore, certain welding techniques, like submerged arc welding, combine the use of both shielding gas and flux to offer optimal protection for the steel sheets. This technique involves the continuous feeding of granular flux along with the welding wire. As the flux melts, it forms a protective layer over the weld, while the shielding gas effectively prevents any atmospheric contamination. Overall, the safeguarding of steel sheets during welding is crucial for ensuring the weld's quality and integrity. Shielding methods, such as the use of shielding gas and flux, establish a protective environment that prevents the formation of oxidation, impurities, and other defects in the weld. Consequently, this results in a robust and long-lasting joint between the steel sheets.

Q:What are the different profile options available for steel sheets?: Steel sheets come in various profile options, each serving distinct purposes and offering unique advantages. Some commonly used profiles are: 1. Plain Sheet: This is the most basic option with a flat surface and no additional features. It is commonly employed for general purposes where aesthetics are not a priority. 2. Corrugated Sheet: These sheets have parallel ridges and grooves, forming a wavy pattern. They provide extra strength and rigidity, making them ideal for roofing, cladding, and fencing. The ridges also facilitate water shedding, preventing water accumulation. 3. Ribbed Sheet: Ribbed sheets have raised parallel ridges or ribs along their length. This profile offers enhanced strength and load-bearing capacity, making it suitable for applications requiring structural integrity, like mezzanine floors, decking, and industrial flooring. 4. Perforated Sheet: Perforated sheets have a pattern of punched holes, allowing for ventilation, light transmission, and drainage. They are commonly used in architectural designs, façades, acoustics, and filtration systems. 5. Tread Plate: Tread plates have an embossed pattern of lines or diamonds on the surface. This profile provides extra grip and slip resistance, making it ideal for industrial flooring, stairs, ramps, and walkways. 6. Expanded Metal: Expanded metal sheets are created by cutting and stretching a flat sheet, resulting in diamond-shaped openings. This profile offers excellent ventilation, visibility, and security, making it suitable for grilles, screens, fences, and enclosures. 7. Lipped Sheet: Lipped steel sheets have an edge or lip bent at a 90-degree angle along one or more sides. This profile provides added strength and stiffness, commonly used for framing, shelving, and edge protection. These are just a few examples of the available profile options for steel sheets. The choice of profile depends on specific requirements such as strength, durability, aesthetics, and functionality.

Q:What are the different standards and certifications for steel sheets?: There are several different standards and certifications for steel sheets, including the American Society for Testing and Materials (ASTM) standards, the International Organization for Standardization (ISO) certifications, and the European Committee for Standardization (EN) standards. These standards and certifications ensure that steel sheets meet specific requirements for quality, strength, durability, and safety. They help to standardize the production and use of steel sheets across different industries and regions, providing assurance to consumers and businesses alike.

Q:How do steel sheets handle static electricity?: Steel sheets possess excellent electrical conductivity, including the conduction of static electricity. This is due to their high electrical conductivity, allowing them to swiftly eliminate any static charge that accumulates on their surfaces. The effectiveness in handling static electricity is mainly attributed to the presence of unbound electrons within the atomic structure of the steel. When a static charge is applied to a steel sheet, these unbound electrons promptly relocate themselves, nullifying the charge and preventing the accumulation or release of static electricity. Furthermore, steel sheets are frequently coated with a thin protective layer, such as zinc or paint, which further enhances their capacity to dissipate static charges. In general, steel sheets are renowned for their dependable performance in managing static electricity and are commonly utilized in various industrial applications where electrostatic discharge may pose risks to safety or cause damage.

Q:Are the steel sheets resistant to graffiti or vandalism?: Steel sheets possess a high level of resistance against graffiti or vandalism. Thanks to their sturdy and long-lasting nature, steel sheets act as a formidable deterrent against acts of vandalism or graffiti. The sleek surface of steel sheets poses a challenge for vandals attempting to adhere spray paint or other graffiti materials. Even if they manage to apply it, the paint can be effortlessly removed using appropriate cleaning techniques, leaving no trace behind. Furthermore, steel sheets exhibit exceptional resistance against scratching or etching, effectively preventing any form of vandalism. In conclusion, opting for steel sheets on surfaces prone to graffiti or vandalism provides outstanding protection and reduces the need for costly repairs or repainting.

Q:What is the average thermal expansion coefficient of steel sheets?: The average thermal expansion coefficient of steel sheets varies depending on the specific type of steel and its composition. However, a commonly accepted average value for the thermal expansion coefficient of steel sheets is around 12 x 10^-6 per degree Celsius (12 parts per million per degree Celsius). It is important to note that this value is an approximation and can vary slightly depending on the specific grade and composition of the steel being used.

Q:Can the steel sheets be easily drilled for fastening purposes?: Yes, steel sheets can be easily drilled for fastening purposes.

Q:Can steel sheets be used for bulletproof applications?: Indeed, steel sheets possess the ability to serve in bulletproof capacities. Steel, renowned for its strength and durability, effectively halts bullets from breaching its surface. Industries commonly employ bulletproof steel sheets during the production of armored vehicles, military apparatus, and personal protective equipment, including bulletproof vests and helmets. The bulletproof capabilities of these steel sheets hinge significantly upon their thickness and quality. Manufacturers can tailor the design of steel sheets to withstand an array of ballistic threats, encompassing handguns to high-powered rifles. Moreover, steel's affordability and ease of production render it a favored selection for bulletproof applications across diverse sectors.

Q:What is the thermal conductivity of stainless steel sheets?: The thermal conductivity of stainless steel sheets can vary depending on the specific alloy, grade, and thickness. However, on average, stainless steel has a thermal conductivity of around 16-26 W/m·K, which is relatively low compared to other metals like copper or aluminum.

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