Cold Rolled Coil Strips/HOT Galvanized Steel Coil

Cold Rolled Coil Strips/HOT Galvanized Steel Coil System 1

Cold Rolled Coil Strips/HOT Galvanized Steel Coil

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 40000 m.t./month

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Specifications

cold rolled strips
1. width: 19-1500mm
2. thickness :0.2-3.0m,2.0-13.5mm
3.zinc coating:z60-z275
4.GB,JIS,ASTM,DIN,EN

cold rolled strips

Product Description

Brand : ZHCX	Standard: ASTM; ASTM; EN;GB	Grade:DX51D /DX52D/DX53D/ S250,280,320GD,Q195,Q235,etc.
Thickness: 0.2-3.0mm 2.0-13.2mm	Width:19-1500mm	Length:Coil or upon request
Zinc Coating: 40g- 275g/m2	Surface: zero spangle, min spangle , regular spangle ,big spangle	Application: PPGI coil;construction,hardware, home appliances,interior decoration etc.
Coil ID: 508-610mm	Coil Weight: 3-5 tons	Type : coil or sheet
Packing:	1.wooden case or wooden pallet 2.standard seaworthy packing
Delivery Time	Within 7-25 days after received the deposit

Brief Introduction

1. Prepainted Galvanized Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.

2. The base metal for Prepainted Galvanized Steel Coil is HDGI Steel. The finish coats of Prepainted Galvanized Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.

3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.

4. The color of the Prepainted Galvanized Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.

5. The Prepainted Galvanized Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.

Edit

Because there is no after annealing treatment, the hardness is very high (HRB greater than 90), mechanical processing performance is poor, only a simplebending process has less than 90 degree directional (direction perpendicular to the rolled).

3, use three

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Hot rolled products with high strength and good toughness, easy processing and good forming can be excellent performance of welding, which is widely used in ships, cars, bridges, buildings, machinery, boiler, pressure vesselmanufacturing industry.

The scope of application:

(1) after annealing processing into the common cold;

(2) processing galvanized galvanized unit before the annealing treatment;

(3) the basic do not need to process the panel.

4 four, classification

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Carbon steel plate, carbon plate, low alloy plate, ship plate, bridge plate, boiler plate, container plate etc.. Rolling hard volumes: under normal temperature,the hot pickling volumes of continuous rolling.

Hot rolled steel strip products include steel (roll) and the shear of steel plate.And steel (coils) can be divided into straight and finishes volume (the volume,smooth rolling and slitting roll).

Q:Are the steel sheets suitable for HVAC applications?: Indeed, HVAC applications find steel sheets to be highly suitable. Steel, being a robust and enduring material, possesses the ability to endure elevated temperatures and mechanical strain, thereby making it an ideal choice for incorporation in heating, ventilation, and air conditioning systems. Commonly, steel sheets are utilized in the construction of various HVAC components like ducts, plenums, and air handling units. They provide exceptional resistance against corrosion, which is of utmost importance in order to preserve the quality and durability of HVAC systems. Moreover, steel sheets can be effortlessly molded and joined through welding, allowing for customization and efficient installation. In summary, the utilization of steel sheets in HVAC applications guarantees dependable performance and longevity of the entire system.

Q:How are steel sheets protected against rusting?: Corrosion protection is employed to safeguard steel sheets against rusting. Several techniques are utilized for this purpose: 1. Galvanization: Zinc is applied as a coating on the steel sheets. Acting as a sacrificial anode, the zinc corrodes in lieu of the steel when exposed to moisture or oxygen. Consequently, a barrier is formed to shield the steel from rust. 2. Painting: A layer of paint is applied to the steel sheets, creating a protective barrier against moisture and oxygen. This physical barrier prevents contact between these elements and the steel, thus reducing the likelihood of rust formation. 3. Powder coating: Dry powder is spread onto the steel sheets and then heated to establish a protective layer. The powder liquefies and fuses into a smooth coating, offering remarkable resistance to rust and corrosion. 4. Electroplating: The steel sheets are immersed in a bath containing a metal coating solution, such as zinc or chromium. By passing an electric current through the bath, the metal coating bonds with the steel, serving as a safeguard against rust. 5. Phosphating: A chemical process deposits a layer of zinc or manganese phosphate onto the steel sheets. This layer enhances the adhesion of paint or other coatings, providing a surface resistant to corrosion. These techniques find widespread usage in various industries to avert the rusting of steel sheets. The selection of a specific method is contingent upon factors such as cost, durability requirements, and the intended environment for the steel sheets.

Q:Can steel sheets be used for storage racks?: Yes, steel sheets can be used for storage racks. They are durable, strong, and can safely support heavy loads, making them an ideal material for storage rack construction.

Q:What is the typical hardness range for steel sheets?: The typical hardness range for steel sheets varies depending on the specific grade and type of steel being used. However, in general, steel sheets typically have a hardness range between 150 and 250 on the Vickers hardness scale (HV). This range provides a good balance between strength and formability, making steel sheets suitable for a wide range of applications. It is important to note that hardness can be further adjusted through various heat treatment processes to achieve specific desired properties.

Q:What are the different types of steel sheet finishes for automotive applications?: The different types of steel sheet finishes for automotive applications include hot-dipped galvanized, electrogalvanized, galvannealed, and bare steel.

Q:How do steel sheets perform in high-humidity environments?: Due to their inherent properties, steel sheets typically exhibit excellent performance in environments with high humidity. Steel is renowned for its strength, durability, and resistance to corrosion, rendering it a suitable material for enduring conditions characterized by excessive moisture. In certain materials, the presence of high humidity can result in the development of condensation on surfaces, thereby accelerating the corrosion process. However, steel sheets are often endowed with protective layers such as zinc or other corrosion-resistant coatings. These coatings function as a barrier against moisture, effectively preventing the onset of rust. Moreover, steel sheets are frequently subjected to galvanization or treatment with specialized coatings like stainless steel or weathering steel. These measures serve to enhance their resistance to humidity and forestall degradation over time. By providing an additional layer of protection, these coatings ensure that steel sheets retain their structural integrity and continue to perform well even in environments with high humidity. It is worth emphasizing that while steel naturally possesses resistance to moisture, the implementation of proper maintenance and care remains crucial to ensure its long-term performance. Regular inspections, cleaning, and the application of suitable sealants or coatings, if necessary, can further fortify steel sheets against the challenges of high humidity. In conclusion, steel sheets are generally well-suited for high-humidity environments due to their strength, durability, and corrosion resistance. Through the application of appropriate coatings and diligent upkeep, steel sheets can uphold their performance and structural integrity even in conditions characterized by an abundance of moisture.

Q:Can steel sheets be used in the construction of bridges?: Yes, steel sheets can be used in the construction of bridges. Steel sheets are commonly used as structural components for various types of bridges due to their high strength, durability, and resistance to corrosion. They provide excellent load-bearing capacity and can be easily fabricated and assembled, making them a popular choice in modern bridge construction.

Q:What are the safety considerations when working with steel sheets?: When working with steel sheets, there are several important safety considerations to keep in mind: 1. Personal Protective Equipment (PPE): It is crucial to wear appropriate PPE to protect yourself from potential hazards. This may include safety glasses or goggles, gloves, steel-toed boots, and a hard hat. 2. Lifting and handling: Steel sheets can be heavy and awkward to handle. Use proper lifting techniques, such as bending your knees and keeping your back straight, or use mechanical lifting equipment like cranes or forklifts. Never attempt to lift a sheet that is too heavy for you alone. 3. Slips, trips, and falls: Steel sheets can create slippery surfaces, especially when wet or oily. Keep work areas clean and free of debris, and use non-slip mats or flooring where appropriate. Be cautious of trip hazards, such as cords or tools, and use caution when moving around the work area. 4. Sharp edges and corners: Steel sheets often have sharp edges and corners that can cause cuts or injuries. Use caution when handling and moving them, and wear gloves to protect your hands. If necessary, use edge protectors or file down any sharp edges to reduce the risk of injuries. 5. Fire hazards: Steel sheets can be flammable when exposed to high temperatures or sparks. Ensure that work areas are clear of flammable materials and follow proper fire safety procedures, such as having fire extinguishers readily available and knowing how to use them. 6. Noise and vibration: Working with steel sheets can generate significant noise and vibration. Wear ear protection, such as earplugs or earmuffs, to protect your hearing. If using power tools, ensure they are properly maintained and have vibration-dampening features to minimize the risk of hand-arm vibration syndrome. 7. Adequate ventilation: Some steel sheets may release fumes or dust when cut or welded. Ensure that the workspace is well-ventilated to prevent the accumulation of harmful gases or particles. If necessary, use exhaust fans or wear respiratory protection to avoid inhalation of hazardous substances. By following these safety considerations, you can minimize the risks associated with working with steel sheets and create a safer work environment for yourself and others.

Q:Can the steel sheets be used for roofing purposes?: Indeed, steel sheets are suitable for roofing applications. Steel roofing sheets are favored because of their long-lasting nature, robustness, and ability to endure severe weather conditions. They offer superb safeguard against elements like rain, snow, and hail. Moreover, steel roofing sheets possess fire-resistant properties and can endure strong winds, rendering them a dependable choice for roofing needs. Furthermore, steel sheets are lightweight, facilitating easier installation and reducing strain on the structure. They come in diverse designs and colors, enabling customization to suit personal preferences. All in all, steel sheets are a versatile and pragmatic option for roofing purposes.

Q:What is the difference between a smooth and corrugated stainless steel sheet?: A smooth stainless steel sheet is characterized by its flat and polished surface, lacking any ridges or patterns. It is commonly used in applications where aesthetics and cleanliness are important, such as kitchen countertops, appliances, and architectural designs. The lack of ridges allows for easy cleaning and maintenance. On the other hand, a corrugated stainless steel sheet has a wavy or ribbed pattern, resembling a series of parallel ridges or grooves. This design provides added strength and rigidity to the sheet, making it suitable for applications where structural integrity is crucial. Corrugated stainless steel sheets are commonly used in roofing, siding, and industrial applications where durability and resistance to wear and tear are important. In summary, the main difference between a smooth and corrugated stainless steel sheet lies in their surface texture and intended use. Smooth sheets are preferred for their aesthetic appeal and easy maintenance, while corrugated sheets offer enhanced strength and are commonly used in structural and industrial applications.

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