Jiangsu Zhongtong Weiye Special Steel Co. LTD
Jiangsu Zhongtong Weiye Special Steel Co. LTD.
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Mesco PPGL Aluzinc Prepainted Galvalume Steel Coil Az150 for Civil Buildings
PPGI VS PPGL
PPGI is short for pre-painted galvanized steel, while PPGL is short for pre-painted galvalume steel. As the name suggests, PPGI uses galvanized sheets (with a layer of zinc coating) as base metal. While PPGL is with galvalume sheet as substrate, which is coated with 55% aluminum, 43.3% zinc, and 1.6% silicon. This is the main difference between PPGI and PPGL, which will further influence their features and applications.
| Substrate | DX51D, ASTM a653 |
| Thickness | 0.13-0.8 mm |
| Width | 600-1250 mm |
| Zinc | 20-120g |
| Paint | Top paint : 10-30mic Back paint: 5-25 mic |
Mechanical Properties
Mechanical properties of the substrate(galvalume steel)
| Grade | tensile strength MPa | Elongation after breakingc A 80mm % not less than |
|---|---|---|
| DX51D+Z | 270～500 | 22 |
Properties of PPGL(pre-painted galvalume ) steel coil substrate.
| Grade | Yield Strength MPa | tensile strength MPa | Elongation after breaking A 80mm % not less than |
|---|---|---|---|
| DC51D+AZ | - | 270～500 | 22 |
| DC52D+AZ | 140～300 | 270～420 | 26 |
| DC53D+AZ | 140～260 | 270～380 | 30 |
| DC54D+AZ | 120～220 | 260～350 | 36 |
