Hot-Dip Galvanized Steel Sheets in Coils EN

Hot-Dip Galvanized Steel Sheets in Coils EN System 1

Hot-Dip Galvanized Steel Sheets in Coils EN

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 50000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

1.Structure of Hot-Dip Galvanized Steel Sheet in Coils EN 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 in Coils EN：

• 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 in Coils EN Images

Hot-Dip Galvanized Steel Sheets in Coils EN

4.Hot-Dip Galvanized Steel Sheet in Coils EN Specification

Standard: EN

Grade: DX51D+Z,S220GD+Z~S550GD+Z

Thickness: 0.12mm~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 in Coils EN

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 common methods of preserving steel coils?: Some common methods of preserving steel coils include applying protective coatings, such as oil or paint, to prevent corrosion and rust formation. Another method is using VCI (Vapor Corrosion Inhibitor) paper or film, which releases chemicals that prevent oxidation. Additionally, steel coils can be stored in climate-controlled environments or wrapped in moisture-resistant materials to minimize exposure to moisture and humidity, which can accelerate corrosion.

Q: why do you need to heat steel when hardening, molecules etc etc: Metalurgy is a fascinating science which has been used to mark the ages of civilization: the Bronze Age, the Iron Age, etc. Ancient sword makers heated steel until the polished surface showed a straw color (which we now know to be about 550°F, and due to surface oxides) and then plunged the blade into a tank of water. The blade was quickly removed, repolished, and observed closely for heat transfer from the core returning the surface to straw color. If so, it was quenched again. This technique left the surface hard without making the blade brittle. Today the steel crystal lattice is known to be either face centered cubic (iron atoms at the corners of a cube and iron atoms centered in the faces of the cube) or body centered cubic ( iron atoms at the corners of the cube and an iron atom at the geometric center of the cube). Most experienced machinists can estimate the temperature of steel from the color of its surface oxides.

Q: How do steel coils compare to other materials in terms of cost?: Steel coils are generally more cost-effective compared to other materials. Steel is a widely available and abundant material, which makes it relatively inexpensive to produce. Additionally, steel coils have a longer lifespan and require minimal maintenance, reducing overall costs in the long run. The durability and strength of steel also make it an ideal choice for various applications, further enhancing its cost-effectiveness. When compared to materials like aluminum or copper, steel coils tend to be more affordable, making them a preferred choice for many industries.

Q: What are the quality control measures for steel coil production?: To ensure that the final product meets the necessary standards and specifications, it is crucial to have quality control measures in place for steel coil production. Here are several commonly used measures in the process: 1. Inspection of Raw Materials: Prior to production, a thorough examination of the chemical composition, mechanical properties, and surface defects of materials like steel billets is conducted. This guarantees that only high-quality materials are used. 2. Control of Processes: Critical parameters such as temperature, rolling speed, tension, and lubrication are continuously monitored and controlled throughout production. Regular checks and adjustments are made to ensure that these parameters fall within the specified tolerances. 3. Assessment of Dimensions and Surfaces: Steel coils undergo stringent inspections to ensure they meet the required thickness, width, and length specifications. Surface defects like scratches, pits, or dents are meticulously examined and minimized to meet quality standards. 4. Mechanical Testing: Regular testing of mechanical properties like tensile strength, yield strength, elongation, and hardness is carried out. These tests are vital in ensuring that the steel coils possess the desired strength and performance characteristics. 5. Visual Inspection: Trained inspectors conduct thorough visual inspections to identify any visible defects or irregularities in the steel coils. Issues such as cracks, corrosion, or uneven surfaces are detected, and necessary actions are taken to rectify or reject faulty coils. 6. Non-Destructive Testing: Methods like ultrasonic testing, magnetic particle testing, or eddy current testing are often employed to detect internal defects like voids, inclusions, or discontinuities that may impact the quality of the steel coils. 7. Documentation and Traceability: Proper documentation and traceability of all quality control measures are maintained throughout the production process. This includes recording test results, inspection reports, and other relevant data to ensure transparency and accountability. 8. Continuous Improvement: Quality control measures in steel coil production are not static but constantly evolving. Regular audits, customer feedback, and analysis of process data are utilized to identify areas for improvement and implement corrective actions to enhance product quality. By implementing these quality control measures, steel coil manufacturers can guarantee that the final product meets the necessary specifications, performs reliably, and achieves customer satisfaction.

Q: What are the common coil thicknesses available for steel coils?: The common coil thicknesses available for steel coils can vary depending on the specific application and industry requirements. However, some of the most common coil thicknesses for steel coils range from 0.5mm to 3mm. These thicknesses are commonly used in various manufacturing processes, including automotive, construction, and appliance industries. For lightweight applications or where flexibility is required, thinner steel coils with thicknesses ranging from 0.5mm to 1.5mm are often used. These thinner coils are suitable for applications such as automotive body panels, roofing, and general sheet metal fabrication. On the other hand, for applications that require higher strength and durability, thicker steel coils with thicknesses ranging from 1.5mm to 3mm are commonly used. These thicker coils are often utilized in heavy-duty construction, structural components, and industrial equipment manufacturing. It is important to note that these are just general ranges, and specific coil thicknesses can vary depending on the specific requirements of a particular project or customer preference. Steel coil thicknesses can be customized to meet specific needs, allowing for greater flexibility in various industries.

Q: My musical saw has, despite my best efforts, got little patches of rust on it. How Do I go about removing the rust without spending too much on rust-removal products and without affecting the properties of the steel?: Steel wool and a bit of WD 40. Steel wool will remove the rust and the WD 40 will protect it in the future.

Q: I am buying a knife for my future husband for his wedding gift and I was wondering what is better carbon steel or stainless steel?: Are you going to use it and take care of it? All butchers use the high carbon steel blades. If you want something to shine real pretty then go with the stainless.

Q: Hey do you know what is Steel Arch Building and how it looks like exactly??: Typically, okorder /

Q: How are steel coils used in the manufacturing of tubes?: Steel coils are used in the manufacturing of tubes by being processed through a series of steps such as slitting, forming, and welding. These coils are slit into narrower strips, which are then formed into a cylindrical shape and welded together. This process allows for the efficient production of seamless or welded tubes, which can be used in various industries such as construction, automotive, and oil and gas.

Q: What are the common coil slitting equipment used in the industry?: The common coil slitting equipment used in the industry include slitting lines, slitter knives, and tension stands. Slitting lines are machines used to cut a large coil into smaller coils of desired widths. Slitter knives are sharp blades mounted on the slitting line that perform the cutting process. Tension stands are used to control the tension of the coils during the slitting process, ensuring smooth and accurate cuts.

Send your message to us

*Email

*TEL

*Quantity

*Unit