• galvanized steel coils System 1
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galvanized steel coils

galvanized steel coils

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Galvanized steel coils

1) Quality Standard & Grade: JIS G3302, SGCC /  ASTM  653M  CQ/  EN10142 DX51D+Z

2)  Thikness  tolerance: +/-0.02mm Width tolerance:+/0.02mm

3) Zinc coating weight: 50g/m2

4) WEIGHT OF PER COIL: 3-5MT                          

5)Technology: cold rolled

6) Surface of Product: regular spangle / big spangle/ small spangle; Surface Treatment: chromated , non oiled, skin passed

7) Packing: export standard packing,packed with moisture resistant paper and metal

wrapping,securely tied for export,on metal skids7) Country of Origin :China


SIZE:0.27*750

Q: What is the standard length of steel coils?
The standard length of steel coils can vary depending on the specific industry and application. However, a common standard length for steel coils is typically around 30 feet or 9.1 meters.
Q: How are steel coils inspected for hardness?
Steel coils are inspected for hardness using various methods to ensure their quality and suitability for specific applications. One common method is the Rockwell hardness test, which involves pressing a diamond or ball indenter into the surface of the coil and measuring the depth of indentation. The hardness value is then determined based on the depth measurement. Another method used is the Brinell hardness test, which employs a hardened steel or tungsten carbide ball indenter to create an indentation on the coil's surface. The diameter of the indentation is measured, and the hardness value is calculated using a formula based on the applied load and the diameter of the indentation. Vickers hardness test, on the other hand, uses a pyramidal diamond indenter to create an indentation on the coil's surface. The indentation diagonal lengths are measured, and the hardness value is calculated using a formula based on the applied load and the diagonal lengths. Apart from these traditional methods, modern technology has introduced non-destructive testing techniques such as ultrasonic testing and eddy current testing. Ultrasonic testing involves transmitting ultrasonic waves through the coil and measuring the time taken for the waves to return. Changes in the wave pattern can indicate variations in hardness. Eddy current testing uses electromagnetic induction to detect changes in electrical conductivity, which can be correlated to hardness variations in the steel coil. Overall, steel coils undergo rigorous inspection processes using a combination of traditional and advanced techniques to ensure their hardness meets the required specifications. These inspections play a crucial role in maintaining the quality and reliability of steel products in various industries.
Q: What are the different methods of cut-to-length shearing for steel coils?
There are several methods of cut-to-length shearing for steel coils, each with its own advantages and applications. Some of the commonly used methods are: 1. Rotary Shearing: This method involves the use of a rotating shear blade that cuts through the coil. It offers high precision and can handle a wide range of material thicknesses. Rotary shearing is suitable for high-volume production and can achieve high cutting speeds. 2. Guillotine Shearing: In this method, a straight blade is used to cut through the coil. It is a versatile method that can handle various material thicknesses and widths. Guillotine shearing is relatively simple and efficient, making it a popular choice for many applications. 3. Slitting: Slitting involves making multiple longitudinal cuts in the coil to create narrower strips. It is commonly used when a coil needs to be divided into several smaller coils or when narrower strips are required for specific applications. Slitting can be done using either rotary or straight blades. 4. Laser Cutting: Laser cutting utilizes a high-powered laser beam to melt or vaporize the material, resulting in a clean and precise cut. It is ideal for cutting complex shapes or patterns and can handle both thin and thick steel coils. Laser cutting offers high accuracy and minimal material distortion. 5. Waterjet Cutting: Waterjet cutting uses a high-pressure stream of water mixed with abrasive particles to cut through the coil. This method is suitable for a wide range of materials, including steel, and can achieve high accuracy. Waterjet cutting is often used for cutting thick coils or when heat-affected zones need to be minimized. Each method has its own strengths and limitations, and the choice depends on factors such as material thickness, required precision, production volume, and specific application requirements. The selection of the most appropriate method is crucial to ensure efficient and high-quality cut-to-length shearing for steel coils.
Q: Hi! does anyone know where can i find a building with a structure of steel frames, i need to do an analysis for school so i need joint details, girder details and such! PLEASE help me! thanks
if u need to analyse a steel framed structure for joint details the best example would be of a mechanic workshop...the truss of such a workshop is always supported on a portal frame and in most of the case thats a steel structure...do keenly observe the joints at the footing plates that is connected to the girder section...nd also observe the joints in truss of such a frame....myslf m a civil engg. student.
Q: can steel boil and turn into a gaseous state?? if so how hot does it have to be for it to boil
well what for yo? melting point of steel is 800 degrees, oxidation being 1400 degrees.
Q: y does 1095 steel on a katana weight about a pound less for the same amount than 1045? the 1095 is better right? but then why is 1045 steel more comenly used for practical use than 1095, even though i no its cheaper to use 1045 for tami mats. so is 1095 steel the better investment for buying and minor tami mat use?
Peter Gunn Gave a good answer... Jason mentioned Stainless steel. Stainless steel should be avoided at all cost. Stainless steel is responsible for some really nasty injuries. It has a bad habit of shattering. It is a terrible steel for swords.
Q: What are the different coil cutting machine options available for steel coils?
There are several coil cutting machine options available for steel coils, including slitting machines, cut-to-length machines, and blanking machines. Slitting machines are used to cut the steel coils into narrower strips, while cut-to-length machines are designed to cut the coils into specific lengths. Blanking machines, on the other hand, are used to cut the steel coils into various shapes and sizes. These coil cutting machines offer different capabilities and can be chosen based on the specific requirements of the steel coil cutting process.
Q: Can steel coils be painted or coated?
Yes, steel coils can be painted or coated. Painting or coating steel coils is a common practice to enhance their aesthetic appearance, protect them from corrosion, or improve their performance in various applications.
Q: How are steel coils used in the production of industrial tanks?
Steel coils are used in the production of industrial tanks as they are rolled into cylindrical shapes and welded together to form the tank's body. The coils provide a durable and strong structure, capable of withstanding high pressure and temperature conditions. Additionally, the steel coils can be customized to meet specific size and shape requirements, allowing for efficient and cost-effective tank production.
Q: What are the different methods of coil flattening for steel coils?
There are several methods used for coil flattening in the steel industry. Some of the common methods include roller leveling, tension leveling, and stretcher leveling. Roller leveling involves passing the coil through a series of rollers to flatten it. Tension leveling uses a combination of tension and bending to remove any shape defects in the coil. Stretcher leveling stretches the coil in the lengthwise direction to eliminate any waviness or buckling. Each method has its own advantages and is used based on the specific requirements of the steel coil.

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