PREPAINTED GALVANIZED STEELCOIL System 1

PREPAINTED GALVANIZED STEELCOIL

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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 (bottom 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 % ≥
SGCC	140-350	270-500	22
SGCD	140-300	270-420	26
SGCE	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 do you calculate the weight of a steel coil?: To calculate the weight of a steel coil, you need to know the dimensions of the coil, specifically its length, width, and thickness. Then, you can use the density of steel (usually around 7850 kg/m³) and the formula: weight = length x width x thickness x density.

Q: Suppose you made a sword out of diamond (just follow me here, it's only theoretical). Would it be lighter than a sword of the same size made out of steel?: The weight of steel is dependent among what kind of steel, shape, length, width, thickness a 5mm by 5mm ball of carbon steel would wiegh 1.69969 g a same size diamond weighs .79 carats equivelent to 1.5 grams So the basic answer is, yes, diamond is lighter than steel, but barely

Q: How are steel coils used in the manufacturing of fasteners?: Steel coils are used in the manufacturing of fasteners as they provide a continuous and reliable source of raw material. These coils are typically processed through a series of steps, including cutting, shaping, and forming, to create various types of fasteners such as bolts, screws, and nails. The high strength and durability of steel make it an ideal material for fasteners, ensuring their performance and longevity in a wide range of applications.

Q: Can steel coils be stored in a corrosive environment?: Ideally, steel coils should not be stored in a corrosive environment as exposure to corrosive elements can lead to degradation and damage to the steel surface. Corrosion can weaken the structural integrity of the coils and affect their performance. To ensure the longevity and quality of the steel coils, it is best to store them in a dry and non-corrosive environment.

Q: Does anyone know if there is any info on Steel Manufacturing techniques, utilyzing electro/mechanical methods in order to create carbon nanotubes from the %C already inherant in the steel. In other words just modifying the Geometry of the Carbon the already makes up some of the steel.: I don't think that would work. First off, there's not enough carbon in steel - even very high carbon steels are only about 2% carbon. Second, the iron atoms in steel form a crystal lattice, in the shape of a cube, with another iron atom in the middle of the cube. Each cube is about 0.3 nm per side. Carbon atoms work their way into the crystals and displace the iron atoms. But a carbon nanotube is around 1 nanometer in diameter - that's 3 times as big as the iron lattice! So a nanotube wouldn't fit. One thing you might do, however, is make a composite - mix the materials together on a scale a little bigger than the atomic scale that the iron and carbon mix to make steel. Just like a carbon fiber bicycle frame or ski pole is strands of carbon (much bigger and not as strong as nanotubes) held together with epoxy, you could hold nanotube strands together with metal. Not sure it would be good for armor, but if you can figure out a way to do it, I'm sure someone will come up with a use for it!

Q: How are steel coils tested for compliance with industry standards?: Steel coils are tested for compliance with industry standards through a series of rigorous quality control measures. These tests are conducted to ensure that the coils meet the necessary specifications and are suitable for use in various applications. One of the primary tests performed on steel coils is the dimensional inspection. This involves measuring the thickness, width, and length of the coils to ensure they meet the specified tolerances. Any deviations from the required dimensions can indicate a manufacturing defect or potential issues during fabrication. Another critical test is the visual inspection, where trained inspectors carefully examine the coils for any surface defects such as scratches, dents, or cracks. These defects can affect the performance and durability of the steel coils, making it essential to identify and rectify them before they are supplied to customers. Furthermore, mechanical properties testing is conducted to assess the strength, elasticity, and toughness of the steel coils. This includes tests like tensile strength, yield strength, and elongation measurements. These tests help determine the suitability of the coils for specific applications and ensure they meet the required performance standards. Additionally, chemical composition analysis is performed to verify the elemental composition of the steel coils. This analysis is crucial as it ensures that the steel meets the required chemical requirements, including the presence of specific alloying elements. Deviations in composition can impact the overall quality and performance of the coils. Corrosion resistance testing is also important, especially for coils used in environments with high humidity or exposure to corrosive substances. Coils are subjected to salt spray or humidity chambers to simulate real-world conditions and evaluate their resistance to corrosion. Lastly, various non-destructive testing techniques, such as ultrasonic testing and magnetic particle inspection, are used to detect internal defects or discontinuities in the steel coils. These tests help identify any hidden flaws that may compromise the structural integrity of the coils. Overall, steel coils undergo a comprehensive range of tests to ensure compliance with industry standards. By conducting these tests, manufacturers can guarantee that the coils meet the required specifications, providing customers with high-quality products that meet their specific needs.

Q: I have an old classical guitar, which uses nylon strings. ive never really liked the sound produced by the nylon, so im curious if you can use a classical guitar with acoustic guitar steel strings. thanks!: Do not put steel strings on a classical guitar under any circumstances. It will quickly and completely destroy the guitar. Classical guitars are lightly braced since nylon strings are relatively low tension. The additional tension of the steel strings will quickly warp the top and rip off the bridge. Ignore the know-nothing who gave you dangerous advice.

Q: Just two sentences on a detailed description on what the steel industry is: The steel industry is an industry that produces steel. It is one of the largest industries in the world, with China as the leading steel producer

Q: I really need help what is the origon of stainless steel?: Source Of Stainless Steel

Q: How are steel coils coated to prevent rust and corrosion?: Steel coils are coated to prevent rust and corrosion through a process called galvanization. This involves immersing the coils in a bath of molten zinc, which forms a protective layer on the steel surface. This zinc coating acts as a barrier, preventing oxygen and moisture from coming into contact with the steel, thus reducing the risk of rust and corrosion.

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