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Help CenterSteel Coil & Strip & Color Coated Coil，TDC51D、TS280GD、TS320GD、TS350GD、TS550GD
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Color Coated Coil, also known as pre‑painted steel coil, is composite color coated steel manufactured by taking hot‑dip galvanized and galvalume steel strip as substrates, going through surface passivation pretreatment, continuous roller coating and high‑temperature baking & curing process. Combining matrix mechanical strength of steel with anti‑corrosion weather‑resistance and decorative performance of organic coating, Color Coated Coil features smooth flat surface, rich colors and excellent bending & profiling workability, serving as vital coil raw material for steel‑structure workshops, roof & wall panels, home‑appliance shells and enclosure components. Market mainstream types ofColor Coated Coil are Hot‑Dip Galvanized Substrate Color Coated Coil and Galvalume Color Coated Coil. Different‑substrate Color Coated Coil adapts to differentiated service conditions including ordinary inland environment, coastal salt‑fog corrosion, industrial acid‑rain and indoor home‑appliance decoration. With complete specifications and full original‑mill quality certificates available, Color Coated Coil supports deep‑processing services such as slitting & leveling, film laminating & embossing, fixed‑length shearing, custom RAL color number and custom coating system. Featuring firm coating adhesion and high cost‑performance with sufficient spot stock,Hot‑Dip Galvanized Substrate Color Coated Coil is the most circulatedColor Coated Coil in market, extensively used for steel‑structure workshop roof panels, enclosure wall panels, prefab houses, greenhouse enclosures and ordinary architectural decorative components. With superior substrate anti‑corrosion capacity and outstanding salt‑fog & ultraviolet‑aging resistance, Galvalume Color Coated Coil is mostly applied for coastal‑zone buildings, chemical‑plant areas, high‑corrosion open‑air projects and long‑term outdoor enclosure plates. Conventional thickness of Color Coated Coil ranges 0.2‑1.5mm, width 600‑1250mm, coil weight 3‑10 tons, inner diameter 508mm/610mm. Main grades include DX51D+Z, DX51D+AZ, S250GD, S350GD, with customized foreign‑trade grades such as TDC51D, TS280GD available. Coating types contain PE polyester, SMP silicon‑modified polyester, HDP high‑weather‑resistance and PVDF fluorocarbon. Every coil passes full inspection of coating thickness, color difference, T‑bend adhesion, salt‑spray and aging‑resistance.Color Coated Coil complies with GB/T12754‑2019 national standard as well as EN10169, ASTM A755, JIS G3312 foreign‑trade standards. Steel‑structure engineering, home‑appliance manufacturing, prefab‑house production and foreign‑trade processing enterprises can select Hot‑Dip Galvanized Substrate Color Coated Coil andGalvalume Color Coated Coil according to corrosion grade, service environment and service‑life requirement, giving full play to advantages of rich colors, convenient processing and weather‑resistant anti‑corrosion performance of Color Coated Coil and ensuring good appearance and long‑term stable service life of various buildings and finished components.
1. Material Grade & Model
Domestic Conventional Color Coated Coil Grades: DX51D+Z, DX51D+AZ, S250GD, S350GD
Foreign‑Trade Common Color Coated Coil Grades: TDC51D, TS280GD, TS320GD, TS350GD, TS550GD
Main Product Types: Hot‑Dip Galvanized Substrate Color Coated Coil, Galvalume Color Coated Coil, Zn‑Al‑Mg substrate color coated coil, indoor home‑appliance color coated coil
Hot‑Dip Galvanized Substrate Color Coated Coil: Thickness 0.2‑1.5mm, width 600‑1250mm, substrate zinc coating Z40‑Z275g/㎡ optional, mainly PE & SMP coating, suitable for ordinary workshops, prefab houses, greenhouses and inland building roof & wall panels;
Galvalume Color Coated Coil: Thickness 0.2‑1.2mm, width 600‑1250mm, substrate Al‑Zn coating AZ50‑AZ150g/㎡ optional, suitable for coastal salt‑fog, chemical‑plant corrosion and high‑weather‑resistance outdoor building scenarios; All grades comply with GB/T12754‑2019 national standard and meet EN10169, ASTM A755, JIS G3312 international standards. Custom services including special thickness & width, RAL color number, film laminating, slitting & leveling processing are supported, with full‑set original‑mill material reports and coating inspection certificates provided.
2. Product Grades and Classification
- Hot‑Dip Galvanized Substrate Color Coated Coil: General‑purpose construction‑gradeColor Coated Coil. Hot‑dip galvanized substrate matched with organic coating, good adhesion, hard paint peeling during bending & profiling, high cost‑performance, suitable for most inland steel‑structure building enclosures;
- Galvalume Color Coated Coil: High‑weather‑resistance anti‑corrosion‑grade Color Coated Coil. Galvalume substrate features inherent excellent anti‑corrosion performance. Matched with weather‑resistant topcoat, its salt‑fog‑resistance and ultraviolet‑aging‑resistance are greatly improved, specially adapted to open‑air working conditions with high corrosion such as seaside and chemical‑plant areas;
‑ Ordinary PE polyester Color Coated Coil: Cost‑effective, full color range, fit for conventional inland buildings;
‑ SMP silicon‑modified polyester Color Coated Coil: Improved weather‑resistance and chalking‑resistance, for mid‑long‑term outdoor buildings;
‑ HDP high‑weather‑resistance & PVDF fluorocarbon Color Coated Coil: Ultra‑high weather‑resistance, anti‑ultraviolet & anti‑fading, applied for high‑end buildings and key coastal projects;
‑ Indoor home‑appliance‑grade Color Coated Coil: Thin coating and delicate surface, fit for home‑appliance shells and indoor decorative components;
‑ Compliance Standards: GB national standard, EN European standard, ASTM American standard, JIS Japanese standard, suitable for domestic construction projects and import‑export foreign‑trade orders.
3. Execution Standards
- GB/T 12754‑2019 Color coated steel sheets and strips
- GB/T 13448 Test methods for color coated steel sheets and strips
- EN 10169 Continuously organically coated steel flat products
- ASTM A755/A755M Standard specification for steel sheet, metallic‑coated, pre‑painted for building applications
- JIS G3312 Prepainted hot‑dip zinc‑coated steel sheets
- Original mill certificates, coating‑thickness reports and salt‑spray weather‑resistance test reports are available, supporting SGS/BV third‑party authoritative inspection & acceptance to meet construction‑project inspection, home‑appliance production and export requirements.
4. Core Specifications and Parameters
Color Coated Coil‑Hot‑Dip Galvanized Substrate Color Coated Coil: Thickness 0.2‑1.5mm; Width 600‑1250mm; Coil weight 3‑10 tons; Inner diameter 508/610mm; Substrate zinc coating Z40‑Z275g/㎡; for steel‑structure workshop roof & wall panels, prefab houses, greenhouses and inland building enclosure components;Color Coated Coil‑Galvalume Color Coated Coil: Thickness 0.2‑1.2mm; Width 600‑1250mm; Coil weight 3‑10 tons; Inner diameter 508/610mm; Substrate Al‑Zn coating AZ50‑AZ150g/㎡; for coastal salt‑fog buildings, chemical‑plant areas and high‑corrosion open‑air enclosure plates; Full‑series Color Coated Coil supports slitting, leveling & shearing, surface film laminating, embossing and custom RAL color‑number deep‑processing.Hot‑Dip Galvanized Substrate Color Coated Coil has sufficient spot stock, complete color range and wide processing adaptability, being the most widely used Color Coated Coil in steel‑structure construction industry;Galvalume Color Coated Coil features outstanding substrate corrosion‑resistance and salt‑fog & aging‑resistance, perfectly adapting to dedicated working conditions of coastal and high‑corrosion environments.
5. Classification & Performance Characteristics
- Hot‑Dip Galvanized Substrate Color Coated Coil: Firm bonding between hot‑dip galvanized substrate and organic coating, good T‑bend performance, hard paint peeling & cracking during profiling & bending, rich colors and convenient forming, outstanding comprehensive cost‑performance, fit for conventional inland workshops, prefab houses, greenhouses and other building enclosures;
- Galvalume Color Coated Coil: Galvalume substrate owns self‑passivation anti‑corrosion property. Matched with weather‑resistant topcoat, it resists salt‑fog, ultraviolet ray and acid‑rain erosion, hardly fades or chalks under long‑term outdoor exposure, and shows better cut‑edge corrosion‑resistance than ordinary galvanized substrate, fit for seaside, chemical‑plant and other high‑corrosion areas;
‑ PE polyester coating Color Coated Coil: High universality, abundant color options, economical and practical for ordinary outdoor environments;
‑ SMP silicon‑modified polyester Color Coated Coil: Improved chalking‑resistance to extend outdoor service life;
‑ HDP high‑weather‑resistance & PVDF fluorocarbon Color Coated Coil: Ultra‑high weather‑resistance, anti‑fading & anti‑aging, for high‑end buildings and key coastal projects;
‑ Home‑appliance indoor Color Coated Coil: Delicate and smooth surface with thin coating, fit for home‑appliance shells and indoor decorative parts;
‑ Both Hot‑Dip Galvanized Substrate Color Coated Coil and Galvalume Color Coated Coil support customization of thickness, width, RAL color number and coating system according to customer drawings and color‑card requirements, meeting various non‑standard production demands for construction, home‑appliance and foreign‑trade industries.
6. Main Applications
Color Coated Coil is a core coil raw material in steel‑structure construction, light‑industry home‑appliance, greenhouse enclosure and foreign‑trade processing fields, extensively applied for steel‑structure workshop roof & wall panels, prefab houses, container wall panels, agricultural greenhouses, garage doors, enclosure barriers, home‑appliance shells, metal decorative panels, color‑steel profiled tiles and sandwich‑panel core materials. Hot‑Dip Galvanized Substrate Color Coated Coil is mostly used for inland workshops, prefab houses, greenhouses and other conventional working conditions. Featuring complete specifications, stable supply, rich colors and economical cost, it becomes the most commonly used Color Coated Coil in steel‑structure enclosure industry. Galvalume Color Coated Coil is widely adopted for coastal salt‑fog and chemical‑corrosion environments. With strong substrate corrosion‑resistance, ultraviolet‑aging‑resistance and long service life, it serves as preferred Color Coated Coil for coastal and high‑corrosion engineering projects. Steel‑structure factories, prefab‑house processors, home‑appliance manufacturers and export‑trade enterprises can select products accurately according to corrosion grade, service environment and design service life. Relying on Color Coated Coil’s flat plate surface, convenient forming, optional colors, stable quality and sufficient batch supply, finished‑product appearance quality can be improved and later‑stage maintenance costs reduced.
7. Packing, MOQ & Lead Time
- Packing: Color Coated Coil adopts waterproof & moisture‑proof composite package, fastened circumferentially by steel straps, with protective end‑cover for coil face, specifications, materials, color numbers and heat‑batch numbers clearly marked, moisture‑proof and collision‑resistant, suitable for land and sea export transportation;
- MOQ: 5 tons minimum order quantity, mixed ordering of Hot‑Dip Galvanized Substrate Color Coated Coil and Galvalume Color Coated Coil supported, small‑batch sample orders and large‑scale project bulk procurement acceptable;
- Lead Time: 3‑7 days for regular in‑stock specifications; 7‑15 days for customized special thickness, RAL color number and special‑coating orders.
Full‑set material certificates and coating inspection reports are supplied together with goods, supporting third‑party inspection and applicable to FOB, CIF, DAP and other foreign‑trade terms.
8. Product Advantages
Color Coated Coil is factory pre‑roller‑coated with smooth flat surface and rich colors, featuring excellent bending & profiling performance, hardly paint peeling or cracking after forming;
2. Hot‑Dip Galvanized Substrate Color Coated Coil has sufficient spot stock, complete color range and outstanding cost‑performance, meeting most inland steel‑structure enclosure engineering requirements;
3. Galvalume Color Coated Coil owns excellent substrate corrosion‑resistance with salt‑fog‑resistance and ultraviolet‑aging‑resistance, adapting to outdoor working conditions such as coastal and chemical‑plant high‑corrosion environments;
4. Color Coated Coil undergoes coil‑by‑coil inspection for coating thickness, color difference and adhesion with traceable materials and complete certificates, fully complying with domestic project acceptance and foreign‑trade export standards.
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