Z275 GI SGCC DX51D Galvanized Steel Coil Thickness 0.12mm-3mm High Strength
Galvanized sheet refers to the steel plate coated with a layer of zinc. Galvanizing is an economical and effective antirust method which is often used. About half of the world's zinc production is used in this process. Galvanized Steel Coils have gone through a chemical process to keep them from corroding. The steel gets coated in layers of zinc because rust won't attack this protective metal. For countless outdoor, marine, or industrial applications, galvanized steel is an essential fabrication component. The principal method of making steel resist corrosion is by alloying it with another metal, zinc. When steel is submerged in melted zinc, the chemical reaction permanently bonds the zinc to the steel through galvanizing. Therefore, the zinc isn't exactly a sealer, like paint, because it doesn't just coat the steel; it actually permanently becomes a part of it.
| Item name | SGCC HDGI gi coil z90 z120 hot dipped galvanized steel coils | ||
| Grade | DX51D+Z | S250GD+Z | |
| SGCC | DX52D+Z | S280GD+Z | |
| SGCD | DX53D+Z | S350GD+Z | |
| SGCE | DX54D+Z | S550GD+Z | |
| DX56D+Z | |||
| Thickness | 0.12 ~ 3.00 mm (cold rolled) | ||
| 1.20 ~ 4.60 mm (Hot-rolled ) | |||
| Width | 10 - 600 mm (strip) | ||
| 600 - 1250 mm (coil) | |||
| Tolerance | Thickness: ±0.01 mm | ||
| Width: ±2 mm | |||
| Coil ID | 508 mm - 610 mm | ||
| Coil weight | 3 - 8 ton or as client requirement. | ||
| Zinc coating | 30g - 275g / m2 | ||
| Spangle | Big spangle,Regular spangle,Mini spangle,Zero spangle | ||
| Surface treatment | Oil,Passivation, Chromated, Skin-passed, Anti-finger Print | ||
| HS code | code 72104900 | ||
| Application | Widely used in road, railway, civil construction, water conservancy construction; all kinds of machinery, electrical appliances, window protection and aquaculture, etc. | ||
| Package | Standard export package (Plastic film in the first layer,second layer is Kraft paper. Third layer is galvanized sheet) | ||
| Delivery time | Within 15 workdays after deposit received | ||
| Remarks | Insurance per to Contract terms; MTC will be handed on with shipping documents; We accept the third party certificatation test. |
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| STEEL GRADE | CHEMICAL COMPOSITION % | MECHANIC PROPERTY | C.B OF | COATING | ||||||
| C | Si | Mn | S | P | T.S | Y.S | E.L | COATING | ||
| x103 | x103 | x102 | x103 | x103 | Mpa | Mpa | % | d=0 180° | G/M² | |
| JIS G3302 SGCC | 12 | 30 | 41 | 31 | 21 | 480 | 300 | 13 | OK | Z60-150 |
| JIS G3302 SGCH | 12 | 10 | 21 | 18 | 8 | 680 | 650 | 20 | OK | Z60-150 |
| ASTM A653 CS.B | 29 | 30 | 60 | 35 | 30 | 386 | 250-380 | 20 | OK | Z60-275 |
| DX51D+Z | 20 | 21 | 18 | 1.8 | 11 | 355 | 245 | 38 | OK | Z60-275 |
| G550 | 12 | 6 | 73 | 5 | 17 | 715 | 654 | 8 | OK | Z60-275 |
