PREPAINTED GALVANIZED STEEL IN COIL System 1

PREPAINTED GALVANIZED STEEL IN COIL

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Payment Terms:: TT OR LC

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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: Just wondering how good are forge steel screw drivers, tool boxes(organisers) and pliers are, as screw fix are having a january sale, and looking to add to my tool collection. Thanks in advance: Forge Steel

Q: What is the role of steel coils in the production of storage shelves?: Steel coils play a crucial role in the production of storage shelves as they are used as the primary material to create the structural components of the shelves. These coils are flattened, cut, and formed into various shapes and sizes to construct the frames, supports, and shelves themselves. The durability and strength of steel coils ensure that the storage shelves can withstand heavy loads and provide long-lasting storage solutions.

Q: a concrete or steel building?also, what is the density of concrete and steel? is concrete heavier in steel for the same volume?: The denisty of reinforced concrete is taken to be 150 lbs/ft^3 The density of carbon structural steel is 490 lbs/ft^3

Q: What are the different coil leveling line configurations used for steel coils?: The steel industry utilizes various coil leveling line configurations to meet specific requirements and preferences. Some commonly employed configurations include: 1. Straightener: Employed to rectify coil shape defects or distortion. It consists of rollers that gradually straighten the coil. 2. Leveler: Ensures consistent thickness throughout the coil. Utilizes rollers to flatten the coil to the desired thickness. 3. Combination Straightener/Leveler: Integrates both straightening and leveling functions into a single machine. Combines rollers and straightening elements for shape correction and thickness leveling in one pass. 4. Looping Pit: Allows continuous processing of accumulated coils. Serves as a buffer between the entry and exit sections of the leveling line, accommodating variations in coil supply and demand. 5. Tension Leveler: Applies tension during leveling to remove shape defects and achieve a flat, uniform surface. 6. Rotary Shear: Incorporates a synchronized rotary shear to cut the leveled coil accurately and precisely. These examples showcase the diverse coil leveling line configurations used in the steel industry. The choice of configuration depends on factors such as desired product specifications, coil dimensions, processing speed requirements, and budget considerations.

Q: How are steel coils processed for different finishes?: Steel coils can be processed for different finishes through various methods. One common process is called coil coating, where the steel coil is cleaned, primed, coated, and cured to achieve a desired finish. This process includes removing any contaminants from the surface of the coil, applying a primer to enhance adhesion, and then coating it with a specific paint or coating material. The coated coil is then cured at high temperatures to ensure proper adhesion and durability. Another method for processing steel coils is through galvanization. In this process, the steel coil is coated with a layer of zinc to protect it from corrosion. This can be done through hot-dip galvanization, where the coil is immersed in a bath of molten zinc, or through electro-galvanization, where a thin layer of zinc is electroplated onto the coil. The galvanized finish provides excellent corrosion resistance and can be further processed to achieve different aesthetic finishes. Additionally, steel coils can be processed for different finishes through various surface treatments. This may involve processes such as pickling, where the coil is treated with an acid solution to remove scale and impurities, or mechanical treatments like brushing or grinding to achieve a desired texture. These surface treatments can be followed by applying a protective coating or paint to enhance the appearance and durability of the coil. Overall, the process of achieving different finishes on steel coils involves a combination of cleaning, coating, curing, and surface treatments. The choice of specific methods depends on the desired finish and the intended application of the steel coil.

Q: What are the common coil transportation options?: The common coil transportation options include trucking, rail transport, and sea freight.

Q: How are steel coils used in the production of shipping vessels?: Steel coils are used in the production of shipping vessels as they are shaped and formed into various components such as hulls, decks, and bulkheads. They provide strength, durability, and flexibility to the structure, ensuring the vessel can withstand harsh marine conditions and carry heavy loads.

Q: What is the role of steel coils in the manufacturing of bridges?: Steel coils play a crucial role in the manufacturing of bridges as they are used as the primary material for constructing the structural components of the bridge, such as beams, columns, and girders. These coils are manufactured by rolling steel into flat strips, which are then wound into large coils. The high strength and durability of steel make it an ideal choice for bridge construction, as it can withstand heavy loads, extreme weather conditions, and provide long-lasting support. The coils are processed further to fabricate the required bridge components, ensuring the structural integrity and stability of the bridge.

Q: How are steel coils used in the manufacturing of suspension arms?: Steel coils are used in the manufacturing of suspension arms as they provide the necessary strength and flexibility to absorb shocks and vibrations, ensuring a smooth ride. These coils, known as coil springs, are typically mounted between the suspension arm and the vehicle's chassis, supporting the weight of the vehicle and allowing for controlled movement and suspension travel. By compressing and expanding, steel coils help absorb the impact of bumps and uneven road surfaces, providing stability and improving overall handling and comfort.

Q: How are steel coils used in the manufacturing of wind turbines?: Steel coils are used in the manufacturing of wind turbines to create various components such as the tower, nacelle, and rotor blades. The high-strength steel coils are shaped and welded to form the tower, providing the necessary structural support for the entire turbine. Additionally, the steel coils are used to fabricate the nacelle, which houses the generator and other critical components. Moreover, steel coils are used in the manufacturing of rotor blades, providing strength and stability to harness wind energy efficiently. Overall, steel coils play a crucial role in the construction of wind turbines, ensuring their durability and performance.

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