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The galvanized steel coil that most construction workers use is often found in roofing applications. There, it is used as a protective cover or barrier over ridges and valleys in the roof system. The coil is rolled out flat on the roof, and bent either over the top of a ridge or into the crease in a valley, to protect the seam in the roof’s sheeting from exposure to the elements. It also creates a watershed for the runoff of rain and melting snow or ice. Galvanized steel coils are ideal options for constructing strong roofing systems. There are numerous added features associated with the amazing roofing systems.
Other uses of galvanized steel coil involve manufacturing environments where thicker coils are used for the manufacturing of smaller parts. The smaller parts are cut and shaped out of the coil as it’s rolled into a stamp-and-press machine.
Product Name | Galvanized Steel coil/roll | ||
Thickness | 0.12-4.0mm | Tolerance | +/-0.02mm |
Width | 30-1500mm | Zinc Coating | 30-275g/m2 |
Package weight | 2 -6 ton per coil | Surface | Passivation,Fat liquoring,Stop-off lacquer |
Hardness | HRB50-71(CQ Grade), HRB45-55(DQ Grade) | Tensile Strength | 270-500(CQ Grade),270-420(DQ Grade) |
Yield Strength | 140-300 (DQ Grade) | Elongation Percentage | 22 (CQ Grade thickness less 0.7mm), 24 (DQ Grade thickness less 0.7mm) |
Spangle coating | Big Spangle, small Spangle,Spangle-free | ||
Standard | EN 10142,EN 10147,EN 10292,JIS G3302, ASTM A653/A653M, BQB 420 | ||
Grade | DX51D+Z,DX52D+Z,DX53D+Z,DX54D+Z,S220GD+Z,DX51D+Z/SGCC/A653/Automotive grade,etc | ||
Surface Treatment | Passivation(C),Oiling(O),Lacquer sealing(L),Phosphating(P),Untreated(U) | ||
Surface Structure | Normal spangle coating (NS),minimized spangle coating(MS),spangle-free(FS) | ||
Application | Building , Corrugated sheet Roofing, electrical, Appliances, Automobile industry,Transport Packaging ,Machinery processing ,Interior decoration , Medical | ||
Packing | Inside:Anti-rust paper,Plastic.Outside:Steel inner and outside guard board,Circle Iron guard board for both side,Outside iron guard board, 3 Radial Strapping and 3 Latitude Strapping.We can also pack according to your requirement. | ||
Hot Dipped Galvanized Steel Sheet in Coil (GI) is produced by passing the Full Hard sheet which has undergone the acid washing process and rolling process through the zinc pot, thereby applying zinc film to the surface. | |||
It has excellent corrosion resistance, paintability, and workability due to Zinc's characteristic. Usually hot dipped galvanized steel sheet and galvanized steel coil process and specifications are basically the same. | |||
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