The base metals for Prepainted Steel Coil consist of cold-rolled, HDG electro-galvanized and hot-dip
Alu-zinc coated. The finish coats of Prepainted Steel Coil can be classified into groups as follows:
polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
| Commodity | Prepainted Steel Coil |
| Techinical Standard: | AISI, BS, DIN, GB, JIS, DX51D/JIS/ASTM |
| Grade | SGCD,SGCH, Q195,DX51D |
| Width | 914-1250mm(914mm, 1215mm,1250mm,1000mm the most common) |
| Thickness | 0.12-2.5mm (0.14-0.5mm is the most advantage thickness) |
| surface | regular/mini/zero spangle, chromated, skin pass, dry etc. |
| ID coil | 508mm or 610mm |
| Coil weight | 3-8 MT per coil |
| Package: | Packaged with water proof paper, inner protective steel ring, protective wood block, metal band strapping. |
| Application | Industrial panels, roofing and siding for painting |
Overall Thickness of Prepainted Steel Coil
The overall thickness of the pre-painted Galvalume steel coil is comprised of the base metal thickness, pretreatment coating layer on both sides, primer coating on both sides, top paint coating on both sides, and protective layer thickness on both sides. Simply, Total Thickness comprises base metal thickness and coating thickness which could be also expressed as BMT + CT =TC.
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