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Galvanized Iron or GI Sheet are mainly known as rust free material, as these sheets come with Zinc coating. Following GI Sheet Weight Chart Table will guide you to choose the right thickness for your project. If your sizes and dimensions are not mentioned in the table you can use the simple formula to extract the weight quickly:
Length (L) x Width (W) x Thickness (T) x Density = Gi Sheet Weight
Where Gi Sheet Density is 7.85 kg/m3
To know the accurate GI Sheet weight make sure you use the correct unit. Measure the GI sheet length and width in meters and Thickness in milimeter (mm). You can also use Steel Plate Weight Calculator to estimate the GI Sheet weight quickly.
Table of content
| Sheet Sizes in Gauge | Sizes in mm | Weight of GI Sheet 8 x 4 (in kg) |
Weight per square foot (in kg) |
|---|---|---|---|
| 32 | 0.25 | 5.49 | 0.181 |
| 30 | 0.3 | 7.3 | 0.228 |
| 29 | 0.35 | 8.245 | 0.257 |
| 28 | 0.4 | 9.263 | 0.289 |
| 27 | 0.45 | 10.345 | 0.323 |
| 26 | 0.5 | 11.636 | 0.363 |
| 24 | 0.6 | 14.69 | 0.459 |
| 23 | 0.7 | 16.436 | 0.513 |
| 22 | 0.8 | 18.472 | 0.577 |
| 20 | 1 | 23.272 | 0.727 |
| 18 | 1.2 | 29.381 | 0.918 |
| 16 | 1.5 | 37.09 | 1.159 |
| 14 | 2 | 46.545 | 1.454 |
| 12 | 2.5 | 58.763 | 1.836 |
| 10 | 3 | 74.181 | 2.318 |
Galvanized Steel Sheets Weight Per Meter
These GI Sheets are known with different names in Australia, UK, North America, Cyprus and Nigeria such as
Classification of GI Plates and Coil
| Grade | GI Sheet Type | Base Material |
|---|---|---|
| GPD | Deep Drawing | Grade DD |
| GPED | Extra Deep Drawing | Grade EDD |
| GC | Corrugated | Grade O |
Coating Thickness of Galvanised Sheets
| GI Sheet Thickness mm | Standard coating thickness (in minimum μm) |
thickness of Coating (in minimum μm) |
Coated GI Sheet Weight (in minimum g/m²) |
| ≤1.5 | 45 | 35 | 320 |
| >1.5 to ≤3 | 55 | 45 | 390 |
| >3 to ≤6 | 70 | 55 | 500 |
| >6 | 85 | 70 | 600 |
Galvanized Plain Sheet Specification
| Thickness |
|
| Width |
|
| GI Sheet New Zealand/ Australia Standard | 4680 |
| Sheet Types |
|
| Zinc Coating |
|
| Relevant Standard |
|
| Cleaning |
|
| Zinc coating composition | As per AS/NZS 4680 |
| Leading Manufacturers and Brands |
|
| Types of GI Coating | Australian Standard | Min. Thickness |
Description | |
|---|---|---|---|---|
| Hot dip galvanizing | HDG390 | AS4680 | 55 | Coating after fabrication job |
| HDG500 | 70 | |||
| HDG600 | 85 | |||
| Hot dip galvanized sheet | Z350 | AS1397 | 20 | PGI sheet |
| Z450 | 25 | |||
| Electrogalvanized tube | ZE100 | AS4750 | 14 | Patio tube |
| ZE300 | 42 | |||
| Hot dip galvanized sections, In-line | - | AS4791 | cold formed | |
| Hot dipped hollow sections, In-line | ZB100 | AS4792 | 14 | |
| ZB140 | 20 | |||
| ZB300 | 42 | |||
| Mechanical plating of Sheet | - | AS5056 | 25 | |
| Electroplated Sheet | - | AS1897 | 25 | |
Standard Sizes to Estimate GI Sheet Weight
Applications of Gi Zinc Coated Steel Sheet
Value Added Services for GI Sheet
Aesteiron Steels LLP offer Value Added Services which includes
Coating Class and Weight of SAIL Galvanised Sheets
| GI Sheet Coating Class | Weight of Zinc Coating (gsm) Wt g/m2 |
|---|---|
| 600 | 600 |
| 550 | 550 |
| 450 | 450 |
| 350 | 350 |
| 275 | 275 |
| 220 | 220 |
| 200 | 200 |
| 180 | 180 |
| 120 | 120 |
| 100 | 100 |
| 80 | 80 |
Tools & Downloads
