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.
Hot-dip galvanizing is the process of applying a protective zinc coating to steel sheet or iron sheet, to prevent rusting.
Excellent anti-corrosion, paintability, and processability due to the self-sacrificing characterisiticof zinc.
Available to select and produce the desired amount of zinc gilded and in particula enables thick zinc layers(maximum 120g/m2).
Classified as either zero spangle or extra smooth depending on wheteher the sheet undergoes skin pass treatment.
| Product name | Galvanized Steel Coil |
| Material | CGCC, DX51D,Q195,Q235 |
| Grade | SGCC,DX51D+Z |
| Zinc Coating | 20-120g/m2 |
| Thickness | 0.13-0.8 mm |
| Width | 600-1250 mm |
| Coil ID | 508/610mm |
| Coil weight | 3-8tons |
| Surface Structure | Mini/Big Spangle |
| Surface Treatment | Anti-Finger printing ,Chromated, oiled/ non-oiled |
| Package | standard export package (Detailed picture is as follows) |
| Hardness | soft (normal), hard, full hard(G300-G550) |
| HS code | 721049 |
| Brand name | COSASTEEL |
| Country of origin | China |
| Business type | Supplier and manufacturer |
Hot Dipped Galvanized Steel Sheet’s specifications is thickness(0.14-1.0mm), width(600–1250mm). It is used for producing garage door, roofing tile, work shop construction, safety fence. Galvanised steel sheet’s properties make it tough enough for most exterior projects.
According the surface for galvanized steel sheet, there are big spangle,mini spangle and zero spangle.
| Product name | Galvanized Steel Sheets |
| Zinc Coating | 20-120g/m2 |
| Thickness | 0.14-1.0mm |
| Width | 600-1250 mm |
| Length | custom |
| Thickness Tolerance | +0/-0.001 |
| Width Tolerance | +/-0.06 |
| Length Tolerance | +/-0.06 |
| Surface Structure | Mini/Big Spangle |
| Surface Treatment | Anti-Finger printing ,Chromated, oiled/ non-oiled |
| Finish | Galvanized |
| Surface Structure | Mini Spangle | Big Spangle |
| Weight of zinc coating | Zinc > 20g/sm | Zinc > 30g/sm |
| Surface Finish | | |
The manufacturing of galvanized steel coil&sheet with good weather resistance, primarily used in construction.
Galvanized steel coils production process:
Uncoiler
Welder
Entry Looper
Pre-treatment
Annealing Furnace
Zinc Pot
Cooling Tower
Water Quench Tank
Skin Pass
Tension Leveler
Passivation Coater
Exit Looper
Recoiler
Use bending machine, pencil hardness tester, gloss meter, meteorologic tools, row lattice unit, micrometer tools, thickness gauge to control the quality of galvanized steel coil.
Packaging Details:
Each bare coil to be securely tied with two bands through the eye of coil (or not) and one circumferential.
the contact points of these bands on the coil edge to be protect with edge protectors.
Coil then to be properly wrapped with water proof /resistant paper, it then to be properly and completely metal wrapped.
Wooden and iron pallet can be used or as your requirements.
And each packed coil to be properly wrapped with band, three-six such band through the eye of coil at about equal distance.
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