Allowable loads are applicable for sheets spanning over a minimum of four supports and for permanent shuttering only. Contact us via email. Depends on thickness of the zinc coating. Galvanized steel is regular steel sheets that have been coated in zinc to make them corrosion resistant.Regular steel is made of iron which will rust when exposed to moisture, either in the form of rain or ambient humidity. We always aim to provide high quality sheets & Plates at most competitive price, high on quality and durability. Below is the conversion for galvanized steel sheet (including CGI sheet, ridge cap and fascia cap). (Example: 16 x 1.10 = 17.6 à 18 CGI sheets to be ordered for the entire roof). Total quantity of CGI sheets to order must include the overlapping of each sheet with the next one which can be 5 to 26% of the surface to cover: Percentage of overlapping if one CGI sheet for the entire roof slope: Percentage of overlapping if several CGI sheets for the entire roof slope: To have a good approximation of the quantity of CGI sheets needed to cover a gable roof (pitch = 20°, wind speed > 150 km/h), you need to: Formula to determine the number of CGI sheets needed to cover the roof slope, N = S / (surface of CGI sheet x (1 - % overlapping)), surface of CGI sheet = total width x length of CGI sheet, % overlapping = percentage indicated in table above, It is recommended to include a 10% loss to ensure that you will have enough CGI sheets to cover the roof. - search is the most efficient way to navigate the Engineering ToolBox! Always use gloves and hard shoes while manipulating CGI sheets. What is density of GI sheet. For locally sourced items, check the relevant national standards or specifications. In a marine environment (within 1 km of the coast), CGI sheets can be painted with zinc-rich paint to increase service life. A density table is a table that displays the density of a substance in the form of a table. These sheets and plates are available in different dimensions and material to … The gauge conversion depends on the material and its shape. Contact US. The Galvanized Sheet Gauge is based on the U.S. Standard Gauge. : Number of corrugations can be determined by counting the top of corrugations. They were calculated for a shelter with a 15-30° gable roof pitch built in a rural area with low vegetation, using a 38mm thick lath/batten/purlin. Approximately 17 roofing nails / m2 à recommended to use roofing screws with sealing washer, Approximately 17 roofing nails / m2  à recommended to use roofing screws with sealing washer. This concept is also frequently used in other natural sciences such as chemistry and materials science. The budget prices indicated in the product data sheets do not correspond to purchasing prices. Galvanized is a term long used to describe steel sheets coated with zinc. You can also choose from bending, cutting, and decoiling gi sheet weight calculation, as well as from galvanized, coated gi sheet weight calculation, and whether gi sheet weight calculation is container plate, boiler plate, or flange plate. Sheet metal weight calculator. Material Group Alloy* Density (g/cm3) MIM-2200 Low Alloy & Alloy Steels (Fe-2%Ni) 7.60 as-sintered 2 Typical BHP metal roof sheet system 0.01 0.01 0.01 0.01 3 Low E facing Upper Air Gap (16.7mm)* 0.62 0.62 4 Air Bubbles heat resistance contribution 0.10 0.20 5 Low E facing lower Air Gap 1.44 1.77 6 Glass Wool Estimated effective thermal resistance 1.49 7 Internal air film (fixed) 0.16 0.16 0.16 0.16 R (Thermal Resistance); m2.k/W The GI Steel Sheets that we offer to our clients are manufactured using high quality materials. When purchasing CGI sheets, it is recommended to go to the suppliers with a caliper gauge and a coating thickness gauge in your hand, in order to show that you can verify the quality of the CGI sheets on the spot. Features The overlapping of the CGI sheet sides (side overlap) is already deduced in the usable width (see in the first table). In exceptional circumstances such as major difficulties of accessibility (mountainous and remote areas), it is possible to use exceptional solutions, choose thinner CGI sheets to reduce the weight of the transportation, if CGI sheets have to be carried by humans or animals. : use a caliper to verify the thickness of the CGI sheet. Locate JSW Steel Offices. SHEET, IRON, CORRUGATED galva., 26G 0.55mm 1mx2m, unit. Quality control: use a caliper to verify the thickness of the CGI sheet. It’s free and easy to use! 20µm/side à 275 g/m2 à Z275 (ASTM A653 or EN 10346), A minimum of 20µm on each side is recommended à 137.5 g/m2 on each side, Quality control: Use a coating thickness gauge to verify the thickness of the zinc coating. For other thicknesses, equivalence is provided in Annex 1 of the CGI sheet roof covering manual. 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