Prepainted Corrugated Steel Roofing Sheet

Prepainted Corrugated Steel Roofing Sheet

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Standard:GB
Grade:cgcc
Thickness:0.14-1.0
Place of Origin:Shandong, China (Mainland)
Model Number:007
Type:Steel Plate
Technique:Cold Rolled
Surface Treatment:Coated
Width:914mm-1250mm

Packaging & Delivery

Packaging Details:	standard exporting packing
Delivery Detail:	30days after getting l.c

Specifications

PPGI (ISO 9001:2000)
Width: 914 to 1,250mm
Thickness: 0.14 to 1.0mm
Zinc coating: 50 to 180g

PPGI (ISO 9001:2000)
Width: 914 to 1,250mm
Thickness: 0.14 to 1.0mm
Zinc coating: 50 to 180g
Color coated steel sheets are a new-type pre-coated steel product developed rapidly in the past years
Color coated steel sheets are made on high-speed continuous coating lines through a number of processes such as chemical pretreatment, primary coating and finish coating, thus they have better coating quality than single piece coating
They are ideal substitutes for wood panels in the construction industry because of their good economic features such as convenient installation, conservation of energy and resistance to contamination
The rapid development of color coated steel sheets is mainly attributed to their good economic, social and environmental properties

Q: What is the thickness range for steel strips?: The thickness of steel strips can vary depending on the specific application and industry requirements. Typically, steel strips can range in thickness from a few millimeters to several centimeters. However, it is important to note that there are different types of steel strips, including hot-rolled, cold-rolled, and galvanized, each with their own specific thickness ranges. For instance, hot-rolled steel strips usually have a thickness range of 1.5 to 25 millimeters, whereas cold-rolled steel strips can range from 0.05 to 4 millimeters in thickness. Moreover, the thickness range can also be influenced by the manufacturing process and intended use of the steel strips. To obtain more specific information about the thickness range for a particular type of steel strip, it is advisable to consult industry standards, specifications, or get in touch with a steel manufacturer.

Q: How are steel strips processed for waterjet cutting?: Precision and accuracy are ensured in the waterjet cutting process of steel strips through a series of steps. Initially, the surfaces of the steel strips are cleaned and prepared by eliminating any dirt, debris, or rust. The objective is to establish a clean and smooth cutting surface. Once the cleaning process is completed, the steel strips are placed onto a waterjet cutting machine. This machine is equipped with a high-pressure waterjet nozzle that expels a stream of water combined with an abrasive material, typically garnet, at incredibly high speeds. The waterjet possesses the capability of cutting the steel strips with exceptional precision. Prior to commencing the actual cutting process, the waterjet cutting machine is programmed with specific cutting parameters. These parameters encompass the desired dimensions, shapes, and angles of the steel strips. By using specialized software, the machine operator inputs these parameters, which are then translated into instructions for the waterjet cutting machine. When the cutting parameters have been set, the machine operator initiates the cutting process. The high-pressure waterjet is directed onto the steel strip, successfully cutting through it with extreme accuracy. The waterjet has the capacity to cut through steel of various thicknesses, ranging from thin strips to thicker plates, depending on the capabilities of the machine. Throughout the cutting process, continuous monitoring of the waterjet ensures that the desired dimensions and shapes are being attained. If necessary, the machine operator may make adjustments to the cutting parameters in order to maintain accuracy. Upon completion of the waterjet cutting, the steel strips are meticulously extracted from the machine. Additional processing, such as deburring or sanding, may be conducted to guarantee a smooth and refined edge. In conclusion, the process of waterjet cutting steel strips encompasses the cleaning and preparation of the strips, programming the cutting parameters, and utilizing a high-pressure waterjet for precise cutting of the steel. This method is renowned for its accuracy, versatility, and ability to cut through steel of varying thicknesses.

Q: What are the factors that affect the magnetic properties of steel strips?: The factors that affect the magnetic properties of steel strips include the type and composition of the steel, the processing and treatment methods used, the presence of impurities or defects, the thickness and grain structure of the strip, and external factors such as temperature and applied magnetic field.

Q: How are steel strips tested for non-destructive evaluation?: Various techniques are commonly employed to assess the quality and integrity of steel strips without causing damage. One widely used technique is ultrasonic testing (UT), which involves transmitting high-frequency sound waves into the strip and analyzing the reflected waves to identify any defects or inconsistencies. During UT, a transducer is placed on the strip's surface to emit ultrasonic waves that travel through the material. When these waves encounter changes in the strip, such as cracks, voids, or thickness variations, they reflect back. The reflected waves are then received by the transducer and converted into electrical signals. These signals are subsequently analyzed by a computer or an operator to determine the presence, location, and size of any defects. Another commonly employed method for evaluating steel strips is magnetic particle inspection (MPI). In this technique, the strip is magnetized, and magnetic particles are applied to its surface. If there are any surface or near-surface defects, like cracks or discontinuities, the magnetic particles are attracted to these areas, making the defects visible for inspection. Eddy current testing (ECT) is another non-destructive evaluation technique used for steel strips. It involves passing an alternating current through a coil, which generates a magnetic field. When the coil is placed near the strip, any variations in the electromagnetic field caused by defects or material changes induce eddy currents in the strip. These eddy currents generate their own magnetic field, which can be detected and analyzed to identify defects in the material. In addition, visual inspection is frequently conducted to assess the surface condition of steel strips. This entails carefully examining the strip for visible defects such as scratches, dents, or corrosion. In conclusion, non-destructive evaluation techniques such as ultrasonic testing, magnetic particle inspection, eddy current testing, and visual inspection are employed to test steel strips for defects or inconsistencies. These methods ensure the quality and reliability of the strips without causing any damage.

Q: How are steel strips coated with a protective oil film?: Steel strips are coated with a protective oil film through a process called oiling or oil coating. This process involves the application of an oil-based substance onto the surface of the steel strips to provide a layer of protection against corrosion and other forms of damage. The oil coating can be applied using various methods, including immersion, brushing, spraying, or roll-coating. In immersion coating, the steel strips are submerged into a bath of oil, allowing the oil to penetrate the surface and form a protective film. Brushing involves manually applying the oil onto the surface using brushes or rollers, ensuring an even and consistent coating. Spraying is another method where the oil is atomized and sprayed onto the steel strips, covering the entire surface area. Roll-coating, as the name suggests, involves passing the steel strips through rollers that have been soaked in oil, effectively transferring the oil onto the surface. The type of oil used for coating can vary depending on the specific requirements and desired properties of the steel strips. Common oils used include mineral oils, synthetic oils, rust preventatives, and lubricants. These oils are chosen based on their ability to provide corrosion protection, lubrication, and other desired characteristics. Once the oil coating is applied, the steel strips may go through additional processes such as drying or curing to ensure the oil film adheres properly to the surface. This may involve passing the strips through ovens or using other methods to remove any excess oil or moisture and promote the bonding of the protective film. Overall, the process of coating steel strips with a protective oil film is crucial in enhancing their durability and preventing damage during storage, transportation, and subsequent processing. The oil film acts as a barrier against moisture, oxygen, and other elements that can lead to corrosion, rusting, or surface defects.

Q: What are the different lengths available for steel strips?: Steel strips are available in a variety of lengths to suit different applications and requirements. The lengths of steel strips can range from a few inches to several feet, depending on the intended use and the industry. Common lengths for steel strips can be found in standard sizes such as 12 inches, 24 inches, 36 inches, and so on. However, custom lengths can also be obtained by cutting longer strips to the desired size. Additionally, steel strips can be supplied in rolls or coils, which can have varying lengths depending on the thickness and width of the strip. Ultimately, the length of steel strips is determined by factors such as the specific industry, the intended use, and the customer's specifications.

Q: Are steel strips commonly used in the manufacturing of agricultural machinery?: Yes, steel strips are commonly used in the manufacturing of agricultural machinery. Steel strips provide strength, durability, and resistance to wear and tear, making them ideal for various components of agricultural machinery such as blades, plowshares, disc harrows, and tillers. Additionally, steel strips can be easily shaped and welded, allowing for the customization and precision required in agricultural machinery manufacturing.

Q: How are steel strips tested for dimensional accuracy?: Steel strips are tested for dimensional accuracy using different methods such as mechanical gauges, laser scanning, or optical measurement systems. These techniques involve measuring the dimensions of the steel strips, including thickness, width, and length, to ensure they meet the required specifications.

Q: What are the different surface treatments for steel strips?: Some common surface treatments for steel strips include galvanizing, which involves applying a layer of zinc to protect against corrosion; painting, which provides both protection and aesthetics; and powder coating, which creates a durable and attractive finish by applying a dry powder to the surface and then curing it. Other treatments may include plating, passivation, and metal coating. These treatments can enhance the appearance, durability, and performance of steel strips in various applications.

Q: How are steel strips used in automotive manufacturing?: Steel strips are widely used in automotive manufacturing due to their strength, durability, and versatility. They are used in various components and parts of automobiles, playing a crucial role in ensuring the structural integrity and safety of vehicles. One of the primary applications of steel strips in automotive manufacturing is in the production of body panels. These strips are used to create the outer shell of vehicles, including doors, hoods, fenders, and roofs. The high tensile strength of steel strips helps to provide protection in case of accidents and impacts, while their ability to be shaped and formed into complex designs allows for the creation of aesthetically pleasing and aerodynamically efficient body panels. Steel strips are also used in the production of chassis and frame components. The chassis is the backbone of a vehicle, providing support and structural stability. Steel strips are used to create various structural components such as pillars, beams, and cross members, ensuring the overall rigidity and strength of the vehicle. Additionally, steel strips are often used in the manufacturing of suspension systems, which help to absorb shocks and vibrations, providing a smoother and more comfortable ride. Furthermore, steel strips are used in the production of engine components. These strips are used to create parts such as crankshafts, connecting rods, and camshafts, which are vital for engine performance and reliability. The high strength-to-weight ratio of steel strips allows for the creation of lightweight yet robust engine components, contributing to improved fuel efficiency and overall vehicle performance. In summary, steel strips play a vital role in automotive manufacturing by being used in the production of body panels, chassis and frame components, as well as engine parts. Their strength, durability, and versatility make them an ideal material for ensuring the structural integrity, safety, and performance of vehicles.

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