EN 10142 / EN 10346 DX51D DX52D DX53D + Z275 PPGI Color Coated Steel Coil for Roofing, Wall Panels & Appliances
| Category | Specification | Category | Specification |
| Standard | EN 10142 / EN 10346 | Applications | Roofing sheets, wall panels, appliance panels, architectural decoration |
| Material / Substrate | DX51D, DX52D, DX53D, DX51D+Z275 | Surface Features | Smooth, uniform coating with excellent corrosion resistance |
| Thickness | 0.12 – 1.2 mm | Packaging | Moisture-proof inner wrap + steel strapping + wooden or steel pallet |
| Width | 600 – 1500 mm (customizable) | Coating Type | Polyester (PE), High-durability Polyester (SMP), PVDF optional |
| Zinc Coating Weight | Z275 (275 g/m²) | Coating Thickness | Front: 15–25 μm; Back: 5–15 μm |
| Surface Treatment | Chemical pre-treatment + coating (smooth, matte, pearl, fingerprint-resistant) | Hardness | HB 80–120 (depends on substrate thickness and processing) |
| Coil Weight | 3–8 tons (customizable per transport/equipment) |
| Serial Number | Material | Thickness (mm) | Width (mm) | Roll Length (m) | Weight (kg/roll) | Application |
| 1 | DX51D | 0.12 – 0.18 | 600 – 1250 | Customization on demand | 2 – 5 Tons | Roofing, wall panels |
| 2 | DX51D | 0.2 – 0.3 | 600 – 1250 | Customization on demand | 3 – 6 Tons | Home appliances, billboards |
| 3 | DX51D | 0.35 – 0.5 | 600 – 1250 | Customization on demand | 4 – 8 Tons | Industrial equipment, pipes |
| 4 | DX51D | 0.55 – 0.7 | 600 – 1250 | Customization on demand | 5 – 10 Tons | Structural materials, roofing |
| 5 | DX52D | 0.12 – 0.25 | 600 – 1250 | Customization on demand | 2 – 5 Tons | Roofing, walls, appliances |
| 6 | DX52D | 0.3 – 0.5 | 600 – 1250 | Customization on demand | 4 – 8 Tons | Industrial panels, pipes |
| 7 | DX52D | 0.55 – 0.7 | 600 – 1250 | Customization on demand | 5 – 10 Tons | Structural materials, roofing |
| 8 | DX53D | 0.12 – 0.25 | 600 – 1250 | Customization on demand | 2 – 5 Tons | Roofing, walls, decorative panels |
| 9 | DX53D | 0.3 – 0.5 | 600 – 1250 | Customization on demand | 4 – 8 Tons | Appliances, industrial equipment |
| 10 | DX53D | 0.55 – 0.7 | 600 – 1250 | Customization on demand | 5 – 10 Tons | Structural materials, machinery panels |
Notes:
Each grade (DX51D, DX52D, DX53D) can be supplied in thin, medium, and thick gauge coil specifications.
Thickness & strength based recommended application scenarios are relatively suitable for actual market.
The width, coil length and coil weight can also be customized according to the requirement of factory and transportation.
Our color coated steel coils (PPGI) could be tailored well to your needs for different projects. Our strips are available in the substrate DX51D, DX52D, DX53D or other standard ones according to your demands with tailored zinc coatings Z275 or more which have good anti-corrosion, flat surface and has a good formability.
Select your needed specifications:
Thickness: 0.12 – 1.2 mm
Width: 600 – 1500 mm (customized)
Type of coatings & Colour: PE, SMP, PVDF or other requirements
Coil weight and length: Customizable Flexible Can Be Tailored To Meet Your Production And Shipping Requirements
Our custom color coated steel coils feature good performance and beautiful appearance, applies to roofing sheets, wall sheets, household appliance, industrial machinery, and building materials. With us, your steel coils will be customized to your project needs, from greater efficiency to more durability to enduring aesthetics, so you can get the most out of your material.
| Standard | Common Grades | Description / Notes |
| EN (European Standard) EN 10142 / EN 10346 | DX51D, DX52D, DX53D, DX51D+Z275 | Low-carbon hot-dip galvanized steel. Zinc coating 275 g/m², good corrosion resistance. Suitable for roofing, wall panels, and appliances. |
| GB (Chinese Standard) GB/T 2518-2008 | DX51D, DX52D, DX53D, DX51D+Z275 | Domestic common low-carbon steel grades. Zinc coating 275 g/m². Used for construction, industrial buildings, and appliances. |
| ASTM (American Standard) ASTM A653 / A792 | G90 / G60, Galvalume AZ150 | G90 = 275 g/m² zinc coating. Galvalume AZ150 offers high corrosion resistance. Suitable for industrial and commercial buildings. |
| ASTM (Cold Rolled Steel) ASTM A1008 / A1011 | CR Steel | Cold-rolled steel used as base material for PPGI production. |
| Popular Pre-Painted Coil Colors | ||
| Color | RAL Code | Description / Common Use |
| Bright White | RAL 9003 / 9010 | Clean and reflective. Used in appliances, indoor walls, and roofing. |
| Off-White / Beige | RAL 1014 / 1015 | Soft and neutral. Common in commercial and residential buildings. |
| Red / Wine Red | RAL 3005 / 3011 | Elegant and classic. Popular for rooftops and industrial buildings. |
| Sky Blue / Blue | RAL 5005 / 5015 | Modern appearance. Used in commercial buildings and decorative applications. |
| Gray / Silver Gray | RAL 7001 / 9006 | Industrial look, dirt-resistant. Common in warehouses, roofs, and facades. |
| Green | RAL 6020 / 6021 | Natural and eco-friendly. Suitable for garden sheds, roofs, and outdoor constructions. |
PPGI is widely used in large-span workshop, warehouse, office building, villa, roof layer, air purification room, cold storage, shops.
1. Building Construction
Roofing and Corrugated Steel Sheets: Lightweight, aesthetically pleasing, and waterproof; commonly used for roofs of factories, warehouses, shopping malls, etc.
Wall Panels and Enclosures: Industrial plants, storage facilities, residential walls, and commercial building exteriors.
Doors, Windows, and Louvers: Door and window panels for lightweight structures, providing weather resistance and aesthetics.
2. Home Appliance Manufacturing
Refrigerator, Washing Machine, and Air Conditioner Housings: Color-coated coils can be directly processed into appliance housings, offering a variety of colors and corrosion resistance.
Kitchen Equipment: Range hoods, cabinet panels, storage cabinets, etc.
3. Transportation
Container and Vehicle Housings: Lightweight, rust-proof, and weather-resistant; used for logistics containers, carriages, and cargo containers.
Bus Stops and Billboards: Color-coated coils can be used as outdoor decorative materials, withstanding wind and rain.
4. Industrial Manufacturing
Pipe Corrosion Protection: Used for surface protection of metal pipes such as water pipes, air conditioning ducts, and ventilation ducts.
Machinery Equipment Housings: Color-coated steel sheets are processed for housings and covers of various industrial equipment. 5. Home Furnishings and Decoration
Ceiling and Partition Panels: Lightweight and aesthetically pleasing, suitable for office, shopping mall, and home ceilings.
Furniture Panels: Steel filing cabinets, storage cabinets, etc., with colored coatings for a beautiful and durable finish.
Note:
1. Free sampling, 100% after-sales quality assurance, Support any payment method;
2. All other specifications of PPGI are available according to your
requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
First to decoiler -- stitching machine, roller, tension machine, open-book looping soda-wash degreasing -- cleaning, drying passivation -- at the beginning of drying -- touched -- the early drying --finish fine tu --finish drying --Air-cooled and water-cooled -rewinding looper -Rewinding machine -----(rewinding to be packed into storage).
Packaging is generally by steel iron package and water proof package, steel strip binding, very strong.
If you have special requirements, you can use rust proof packaging, and more beautiful.
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
1. What is the DX51D Z275 steel ?
DX51D Z275 is a kind of hot-dip galvanized mild sheet steel which is commonly serve as the substrate in PPGI, glavanized coil and other coated steel products. The “Z275” signifies a zinc layer of 275 g/m², which endows is enough for good corrosion protection for outdoor & industrial work environment.
2. What is PPGI steel coil?
PPGI means Pre-Painted Galvanized Iron. It is a galvanized steel coil that has been pre-painted before manufacturing. PPGI coils are sturdy, corrosion resistant, and have a high visual quality., these traits make for an excellent product for manufacturing roofing, wall panels, appliances. Examples include Steel Coil PPGI and 9003 PPGI Coil.
3. What are the common steel grades for ppgi coils?
European Standard (EN 10346 / EN 10142): DX51D, DX52D, DX53D, DX51D+Z275 Chinese Standard (GB/T 2518): DX51D, DX52D, DX53D, DX51D+Z275 American Standard (ASTM A653/A792): G90, G60, AZ150 Cold Rolled Steel (ASTM A1008/ A1011): CR Steel – used as the base material for production of PPGI
4. What are the most popular pre-painted coil colors?
Hot colors include：
Bright White / Pearl White (RAL 9010 / 9003)
Beige / Off-White (RAL 1015 / 1014)
Red / Wine Red (RAL 3005 / 3011)
Sky Blue / Blue (RAL 5005 / 5015)
Gray / Silver Gray (RAL 7001 / 9006)
Green (RAL 6020 / 6021)
5. What are the uses of DX51D Z275 and PPGI Coil?
Roofing sheets and wall claddings plates
Industrial and commercial construction
ERW galvanized pipes
Home appliances and furniture
Galvalume steel coils for high salt spray applications
6. What is the ASTM equivalent of DX51D?
The equivalent of DX51D is ASTM A653 Grade C or DX52D for the different thickness and zinc coating.Type:A This makes it applicable for the projects that needs the ASTM standards.
7. What is the production scale of Royal Steel Group?
Five production bases, each about 5,000 sqm
Main Products: steel pipes, steel coils, steel plates and steel structures
In 2023, added 3 new steel coil production lines and 5 new steel pipe production lines
8. Can I have custom colors or spesifications?
Yes. China Royal Steel Group is able to customize PPGI coil, galvanized coil and Galvalume coil for clients requirements in thickness, width, coating weight and ral color.
9. How the steel coils are packaged and shipped?
Packaging: The coils are strapped with Anti-rust oil, and the coils can be wrapped by plastic sheet if necessary.
Shipping: By road/rail/sea depending on the destinations.
Lead time: Stock item can be ship immediately; custom order is subject to production time.
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