PRE-PAINTED ALUZINC STEEL IN COIL System 1

PRE-PAINTED ALUZINC STEEL IN COIL

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Product Description:

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 (bottome paint + top paint)

9. Back side paint thickness: 5-10μm

Mechanical Properties

1. Mechanical properties of base metals

Grade	Tensile Test
Grade	Yield Strength MPa	Tensile Strength MPa	Elongation A80mm % ≥
DC51D+AZ	280-325	320-500	22
DC52D+AZ	240-300	270-420	26
DC53D+AZ	140-260	270-380	30

2. 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

Q: How many percent carbon in low alloy steel and high alloy steel: Steel is basically an alloy of iron and carbon that has more than 0% carbon and less than 2% carbon. The alloy of carbon and iron with more than 2% carbon is considered cast iron. The bessemer process converts cast iron to steel by injecting oxygen into molter cast iron to burn off the excess carbon. Steel is also modified by adding additional elements like silicon, molydenum, vanadium, chrome, etc.

Q: I am going to be working as a mechanic at my school and I just wanted to know if I should get the steel toe boots or regular. I heard that steel toe boots can be dangerous and uncomfortable. The mechanics recommended getting steel toe to be safe but i'm not sure.: Steel toed boots are much safer than regular work boots. As a mechanic you'll be lifting many heavy things and using many tools. If something drops, than it won't hurt. And with the work I've done, I drop things all the time and I'm glad that I was wearing steel toed boots.

Q: What are the environmental considerations of using steel coils?: There are several environmental considerations associated with using steel coils. Firstly, the production of steel coils requires a significant amount of energy and raw materials, which can contribute to greenhouse gas emissions and environmental degradation. Additionally, the extraction and processing of iron ore for steel production can have negative impacts on land, water, and air quality. Moreover, the transportation of steel coils, especially over long distances, can result in emissions from vehicles and contribute to pollution. Lastly, the disposal of steel coils at the end of their lifecycle poses challenges as they can be difficult to recycle and may end up in landfills, further contributing to waste accumulation. Overall, the environmental implications of using steel coils highlight the need for sustainable practices in their production, transportation, and disposal.

Q: Im going to buy T-304 Stainless Steel exhaust tips for my truck. Is T-304 Stainless Steel good metal?: Stainless steel is available in 2 grades - 304 and 316. The 304 has traces of ferrous to make it adaptable for the intended purpose. The 316 is non-ferrous and a bit more expensive. Whereas the 316 will not inhibit rust, the 304 will show some flecks (which can be cleaned away) over a period of time. It, however, is as good as the other.

Q: Can steel coils be coated with UV-resistant materials?: Yes, steel coils can be coated with UV-resistant materials. This coating helps protect the steel from the harmful effects of ultraviolet (UV) radiation, such as fading, discoloration, and degradation. UV-resistant coatings are commonly used in various industries to enhance the durability and longevity of steel coils, particularly when exposed to outdoor or high UV environments.

Q: What are the quality standards for steel coil production?: The quality standards for steel coil production typically include factors such as dimensional accuracy, surface finish, mechanical properties, chemical composition, and adherence to industry-specific standards and specifications. These standards ensure that the steel coils meet the required strength, durability, and performance criteria, and are suitable for various applications in industries like automotive, construction, and manufacturing.

Q: What's the difference between hot rolled coil and hot-rolled carbon thin steel coil?: Hot rolled coil is used for continuous casting slab or as raw material, after reheating furnace heating, descaling into the roughing mill of high pressure water, roughing material by cutting head, tail, and then enter the finishing mill, the implementation of the computer controlled rolling, after finishing through the laminar cooling (computer controlled cooling rate and coiling) reel, a straight hair volume. Hair straightenerrollhead, tail tongue shapeand thefishtail shape, thickness, width of poor accuracy, edgehaswavy, folding, tower and other defects. The volume is heavy. (general management industry likes to use. )

Q: How are steel coils used in the production of industrial machinery?: Steel coils are used in the production of industrial machinery as they can be processed and shaped into various components such as structural supports, frames, and gears. The coils are often cut, bent, and welded to create the necessary parts that form the foundation of the machinery, ensuring strength, durability, and efficient operation.

Q: What are the different methods of coil flattening for steel coils?: Coil flattening for steel coils can be achieved through various methods, each having its own advantages and limitations. Some commonly employed techniques are as follows: 1. Roller leveling: By passing the steel coil through a series of rollers that exert pressure, this method flattens the coil. The rollers can be adjusted to achieve the desired level of flatness. Roller leveling is a versatile approach capable of handling a wide range of coil sizes and thicknesses. 2. Precision leveling: This method employs a more advanced leveling machine that applies pressure to specific areas of the coil to eliminate any waviness or defects. Precision leveling is commonly used for high-quality steel coils that require exceptionally flat surfaces. 3. Stretch leveling: Also known as tension leveling, this technique involves stretching the steel coil beyond its yield point, causing permanent deformation and flattening. Stretch leveling is frequently used for thinner gauge coils and effectively eliminates coil set and crossbow defects. 4. Temper rolling: This method subjects the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and capable of correcting localized defects or unevenness. However, due to its higher cost, it is typically used for smaller coils. It is essential to consider various factors, such as desired flatness requirements, coil dimensions, material properties, and production budget, when selecting the most appropriate coil flattening method.

Q: What are the common coil processing equipment used in the industry?: Some common coil processing equipment used in the industry include coil slitting machines, coil leveling machines, coil cutting machines, coil recoiling machines, and coil feeding systems. These machines are used to process coils of various materials, such as steel, aluminum, and copper, into desired sizes and shapes for further manufacturing processes.

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