Color coated galvanized rolled steel Coils

Color coated galvanized rolled steel Coils System 1

Color coated galvanized rolled steel Coils System 2

Color coated galvanized rolled steel Coils

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 30000 m.t./month

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Product Description

Brief Introduction
1. Prepainted Galvanized Steel Coil Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized or galvalume steel sheets.
2. The base metals 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 Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.

Specification
1. Thickness: 0.3-0.8mm
2. Width: 914-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Available Dipped Layer: 50-150g/m²
6. Surface Texture: Normal Coated
7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.
8. Front Side Paint Thickness: 15-25μm (bottom paint + top paint)
9. Back Side Paint Thickness: 5-10μm

Common performance of front coating
1. Thickness: ≥20μm
2. Pencil Hardness: 2H
3. 60° specular glossiness of coating: >60
4. 180°bend: ≤3T
5. Impact: ≥9J
6. Salt Fog Resistant: ≥500h
7. Color difference: <3ΔE

Application
1. Construction: (Outside) workshop, agricultural warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, roller shutter door
(Inside) door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, vent gutter
2. Electrical appliance: refrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro-wave oven, bread maker
3. Furniture: central heating slice, lampshade, chifforobe, desk, bed, locker, bookshelf
4. Carrying trade: exterior decoration of auto and train, clapboard, container, isolation lairage, isolation board
5. Others: writing panel, garbage can, billboard, timekeeper, typewriter, instrument panel, weight sensor, photographic equipment

Q:What are the challenges faced during steel coil processing?: Steel coil processing presents several challenges that can be encountered. One of the primary obstacles involves the proper handling of the heavy steel coils, which can weigh several tons. It is crucial to have the correct equipment and procedures in place to safely move and manipulate the coils. This necessitates the use of cranes, forklifts, or other strong lifting devices capable of handling the weight and size of the coils. Another challenge revolves around maintaining the integrity of the steel coils throughout the processing. These coils are vulnerable to damage from scratches, dents, or other physical deformations. To minimize the risk of damage, it is important to establish suitable storage and handling procedures. Moreover, caution must be exercised during cutting, slitting, or other processing operations to prevent any harm or compromise to the coils. Quality control presents another significant challenge in steel coil processing. Consistently producing coils that meet the required specifications, such as thickness, width, and surface quality, is essential. To achieve this, meticulous inspection and monitoring must be carried out throughout the entire processing chain, from the receipt of raw materials to the final product. Any deviations from the desired specifications can result in rejected coils or customer dissatisfaction. Efficiency and productivity also pose challenges in steel coil processing. It is imperative to optimize processing operations to minimize waste, reduce downtime, and maximize throughput. This can be achieved through the implementation of automation, improved production planning, and streamlined workflows. Additionally, striking a balance between production speed and maintaining quality standards is crucial for efficient and productive processing. Lastly, safety is a significant challenge in steel coil processing. The equipment and processes involved in the industry present various risks to workers, including accidents, injuries, or exposure to harmful substances. To ensure a safe working environment, it is vital to establish proper safety protocols, provide adequate employee training, and regularly inspect and maintain equipment. In conclusion, steel coil processing encompasses challenges such as handling heavy coils, maintaining their integrity, ensuring quality control, optimizing efficiency and productivity, and ensuring a safe working environment. By addressing these challenges, steel coil processors can achieve smooth operations and deliver high-quality products to their customers.

Q:I heard about a new bike the specialized allez steel. Has anyone heard anything about it. it will have all brand new components like shimano 2300 parts and everything. it looks nice.: Steel? I doubt it's made out of steel, more labor and a heavier frame. Most likely aluminum. Shimano 2300 you say? The Shimano 2300 is the lowest of the low of Shimano road components. Most likely not too reliable and heavy. www.cyclestore .uk/productDetai... I think this is what you might be looking for.

Q:What are the different methods of cutting steel coils into sheets?: There are several methods used to cut steel coils into sheets, including shearing, slitting, and laser cutting. Shearing involves using a straight blade to cut through the coil, while slitting uses circular blades to make multiple cuts simultaneously. Laser cutting, on the other hand, utilizes a high-powered laser beam to melt through the steel. Each method has its own advantages and is chosen based on factors such as the desired precision, speed, and cost-effectiveness.

Q:How are steel coils cut to size?: Steel coils are cut to size using a process called slitting, where the coil is unwound and passed through a set of rotary knives that make longitudinal cuts. The width of the cuts can be adjusted to achieve the desired size, and the resulting strips are then rewound into smaller coils or flattened into sheets.

Q:What are the cost considerations when purchasing steel coils?: When purchasing steel coils, there are several cost considerations to take into account. Firstly, the price per ton of the steel coils is a significant factor. This can vary depending on factors such as the grade and quality of the steel, market demand, and supplier pricing. Secondly, transportation costs should be considered, as steel coils are heavy and may require special handling and shipping arrangements. Additionally, potential additional costs such as taxes, customs duties, insurance, and storage fees should be factored in. Lastly, the total cost of ownership, which includes factors like maintenance, repair, and energy consumption, should be considered to ensure a comprehensive understanding of the overall cost implications of purchasing steel coils.

Q:What are the different grades of steel coils?: There are several different grades of steel coils, including low carbon steel, medium carbon steel, high carbon steel, stainless steel, and galvanized steel. Each grade has its own unique properties and is used for specific applications based on factors such as strength, corrosion resistance, and formability.

Q:How are steel coils inspected for straightness using laser alignment?: Steel coils are inspected for straightness using laser alignment through a precise and automated process. Laser alignment technology offers a non-contact method to measure the straightness of steel coils with high accuracy and efficiency. Firstly, the steel coil is placed on a conveyor system that moves it through the inspection area. As the coil passes through, a laser alignment system is set up to emit a laser beam across the width of the coil. This laser beam acts as a reference line for the straightness measurement. The laser alignment system consists of a laser emitter and a receiver unit. The emitter projects a laser beam that is perfectly straight and parallel to the desired alignment. The receiver unit, placed on the opposite side of the coil, captures the laser beam and analyzes its position. As the coil moves through the inspection area, the receiver unit determines the deviation of the laser beam from the desired straight line. This deviation is calculated by analyzing the position of the laser beam at multiple points along the coil's width. The laser alignment system is connected to a computerized control system that processes the data received from the receiver unit. The control system performs complex calculations to determine the straightness of the coil based on the laser beam's position. Any variations or deviations from the desired straight line are recorded and analyzed by the control system. The inspection data can be presented in real-time, allowing operators to monitor the straightness of the steel coil during the inspection process. Using laser alignment for steel coil inspection offers several advantages. It provides highly accurate measurements, ensuring that even minor deviations from straightness are detected. The non-contact nature of laser alignment eliminates the need for physical contact with the coil, reducing the risk of damage or contamination. Additionally, the automated process saves time and increases efficiency compared to manual inspection methods. Overall, laser alignment technology is a reliable and efficient method for inspecting the straightness of steel coils. It ensures that only coils meeting the required straightness criteria are passed, contributing to the quality control of steel manufacturing processes.

Q:Are steel coils affected by temperature changes?: Yes, steel coils can be affected by temperature changes. Steel is a metal that expands when heated and contracts when cooled. This expansion and contraction can lead to changes in the dimensions and shape of steel coils. Additionally, extreme temperature variations can cause thermal stress, which may result in warping, cracking, or weakening of the steel coils. Therefore, temperature changes can have an impact on the performance and integrity of steel coils.

Q:ex: boat hull made out of steel: Metal coating mean the best one is Titanium but it is more expensive .Go for epoxy putty with epoxy painting can solve your need

Q:What is the process of slitting steel coils into narrower strips?: The process of slitting steel coils into narrower strips involves feeding a large steel coil through a slitting machine. The machine uses circular blades or rotary knives to make precise cuts along the length of the coil, creating narrower strips. These strips are then rewound onto separate reels or spools, ready for further processing or shipment.

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