Color Coated Coil
PPGL
The common base plate models of color-coated sheets (color steel plates / colored coated steel plates) include TDC51D, TS280GD, SGCC, SGLCC. Customized colors (providing Pantone/RAL color charts) are supported. Thickness (0.3mm – 1.2mm), width, coating system are available. Compliant with national standards and industry standards. Both in stock and custom options are available.
1. How to get samples to check the quality? How long can I get the samples?
After the price is confirmed, samples can be provided for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:The sample could can provide for customer with free,but the courier freight will be covered by customer account.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.
PPGL stands for Pre-Painted Galvalume Steel, commonly known as color-coated steel sheets or color-coated steel coils. It uses Galvalume steel (GL) as its substrate.
Simply put, PPGL = Substrate (Galvalume steel) + Chemical pretreatment layer + Primer + Topcoat.
Technical Parameters of PPGL (Prepainted Galvalume Steel)
| Parameter Category | Detailed Specifications |
|---|---|
| Substrate | Galvalume (GL), coating composition: 55% Al + 43.5% Zn + 1.5% Si |
| Common Grades | DX51D+AZ, S250GD+AZ, S350GD+AZ, CGCC, ASTM A792 |
| Thickness Range | 0.12mm – 1.5mm (regular), up to 2.0mm in some production lines |
| Width Range | 600mm – 1250mm (regular), up to 1500mm in some cases |
| Coating Weight | AZ50 – AZ150 (double-sided, unit: g/m²) |
| Coating Type | Polyester (PE), Silicone-Modified Polyester (SMP), High Durability Polyester (HDP), Polyvinylidene Fluoride (PVDF) |
| Coating Structure | 2-coat 2-bake (primer 5-10μm + top coat 15-30μm), back coat 5-8μm |
| Color | Customized according to RAL color card or customer samples |
| Inner Diameter | 508mm or 610mm |
| Coil Weight | 3 – 10 tons per coil |
| Corrosion Resistance | Neutral salt spray test ≥ 1000 hours (no red rust), better than PPGI |
| Mechanical Properties | Yield strength: 245-550 MPa; Elongation ≥ 8% |
| Executive Standards | GB/T 12754, EN 10169, ASTM A755/A792, JIS G3322 |
Common Grades (by Standard System)
| Standard System | Common Grades | Description |
|---|---|---|
| China GB / Europe EN | DX51D+AZ | Most common commercial grade, suitable for general bending, forming and roll forming. |
| China GB / Europe EN | DX52D+AZ / DX53D+AZ | Drawing and deep-drawing grades, used for parts requiring complex forming. |
| China GB / Europe EN | S250GD+AZ / S350GD+AZ / S550GD+AZ | Structural grades with higher yield strength, used for load-bearing components. |
| Japan JIS | CGCC (Substrate equivalent to SGCC/SGLCC) | The most common color-coated steel grade in Japanese Industrial Standards. |
| Japan JIS | CGC340 / CGC440 / CGC570 | Numbers indicate tensile strength (MPa). CGC570 corresponds to high-strength materials such as G550. |
| USA ASTM | A755M CS-B | Commercial grade, widely used in building envelope systems. |
| USA ASTM | SS255 / SS275 / SS550 | Structural grades; numbers indicate minimum yield strength (MPa). |
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