Shagang (Shandong) Steel Co., Ltd.
Color-coated steel sheets: coating characteristics, application scenarios and development trends
Color-coated steel sheets (also known as color-coated steel sheets) are composite sheets made from cold-rolled steel, galvanized steel, stainless steel, and other substrates. After surface pretreatment (degreasing and phosphating), they are coated with one or two layers of organic coating (topcoat + primer, and sometimes backcoat), which are then baked and cured. They combine the strength and toughness of the metal substrate with the weather resistance and decorative properties of the organic coating, avoiding the rusting defects of ordinary steel sheets while eliminating the need for subsequent painting. They are widely used in construction, home appliances, transportation, and decoration, offering a lightweight, aesthetically pleasing, and low-maintenance new material. This article will comprehensively analyze the technical value and practical significance of color-coated steel sheets from five perspectives: definition and classification, core characteristics, typical applications, selection criteria, and future trends.
14
2025
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09
Color-coated steel coil (also known as color-coated steel coil) is made from cold-rolled steel coil, galvanized steel coil, stainless steel coil, and other metal coils. After continuous surface pretreatment (degreasing and phosphating), roll-coating of an organic coating (primer and topcoat, with backing paint added in some cases), and high-temperature curing, it is directly wound into a coil. It inherits the combined advantages of color-coated steel sheet: metal strength and coating weather resistance. Its continuous feeding and batch adaptability make it a core raw material for automated production lines.
10
2025
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09
Copper Plate: Characteristics, Classification and Applications
Copper plate is a flat, non-ferrous metal material made from pure copper or copper alloys through rolling, annealing, and surface treatment. Its core advantages lie in its high electrical conductivity (resistivity of only 1.72×10⁻⁸Ω·m at 20°C), high thermal conductivity (thermal conductivity coefficient of 401W/(m·K)), good ductility, and unique metallic luster. It also offers a certain degree of corrosion resistance in non-strongly oxidizing environments.
17
2025
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08
Copper coil: continuous processing characteristics, application scenarios and development direction
Copper coil is made from pure copper or copper alloy coils, directly wound into a cylindrical coil after continuous rolling, annealing, and surface treatment (such as brushing and polishing). It inherits the core material advantages of copper sheet: high electrical conductivity, high thermal conductivity, and ease of processing. Furthermore, its long, continuous feeding and compatibility with automated production lines make it a key raw material for mass production in the electronics, electrical engineering, and architectural decoration industries. Through continuous processes such as uncoiling, leveling, punching, cutting, and bending, it can be efficiently transformed into end products such as precision electronic components, conductive busbars, and decorative panels, significantly improving production efficiency. This article will comprehensively analyze the technical value and practical significance of copper coil from five perspectives: definition and classification, core characteristics, typical applications, selection criteria, and future trends.
08
2025
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08
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