In a marine environment (within 1 km of the coast), CGI sheets can be painted with zinc-rich paint to increase service life. The roofing nails must be placed at the top of the CGI sheets corrugations, never at the bottom, in order to avoid leakage. 5. CGI sheets are protected from corrosion by a zinc coating applied to the steel sheet. When did organ music become associated with baseball? (Example: Electro-galvanized has a great finish but the zinc coating thickness can be 10 times lower than that of hot-dip galvanized, which means that in less than one year the CGI sheets lose their protection and corrosion starts). 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 JSW Platina. Galvanised Coils. When positioning the roofing nails, you need to place more roofing nails all around the edges of the roof: at eaves overhang, ridge, verges and hip angles (areas submitted to increased wind pressure). To calculate the gsm of your material, simply fill out the fields above and select the correct units. 0.4 mm (30 gauge) can be used for shelters when the wind speed is lower than 200 km/h, the distance between laths/battens/purlins is 0.60 m maximum and the area is not prone to snow. Suggested materials to accompany the CGI sheets: Some specifications may vary from national standards and local market conditions. Read about company. Contact US. The most common way to measure GSM is using a scale and a ruler, but there are sometimes other methods needed for industrial processes. See drawing for more information. It is intended to guide users with pre-budgeting information. Quality control: Number of corrugations can be determined by counting the top of corrugations. 26G 0.55mm, 125x125mm x 1.8m, SHEET, IRON, ROOF RIDGE, galva. They will help you hack down your work load to a great extent. We always aim to provide high quality sheets & Plates at most competitive price, high on quality and durability. Table: Conversion table for galvanized steel sheet (only), Recommended for CGI sheet used for roofing, Acceptable for CGI sheet used for roofing in area not prone to snow, Not advisable for CGI sheet used for roofing as it may not withstand snow, wind (and other loads). Allowable loads may be multiplied by a factor of 0.80 for sheets spanning over 2 or 3 supports. A precise weight calculation is extremely important for big metal constructions, in the the transport sector and for lifting facilities. This extra length of CGI sheet allows for the rainwater to fall in the gutter or to the ground without wetting the roof frame. Sheet metal weight calculator. As the density of the steel is 8, the weight of sheet would be 8*0.63=5.04 kg/sq. Structural Grades Download. Corrugated Galvanized Iron or steel (CGI) sheets are used for general roofing purposes. Galvanized steel pipe can increase corrosion resistance and prolong service life. We always aim to provide high quality sheets & Plates at most competitive price, high on quality and durability. 26G 0.55mm, 0.33 x 1.8m, pce, GUTTER, roof side, galvanised, 26G 0.55mm 0.33 x 1.8m, unit, Medical sets, specific to hospital modules. What are some samples of opening remarks for a Christmas party? Galvanised Corrugated Sheet & Profile \ Applications & Grades. Stainless steel, copper, zinc, aluminum, steel and galvanized steel. : use a caliper to verify the thickness of the CGI sheet. A 20 µm coat of zinc should be applied per side of the CGI sheet (total of 40µm for both sides of the CGI sheet equivalent to 275g/m²). The quantity of roofing nails depends on the wind speed, location of the shelter and thickness of the laths/battens/purlins used. When purchasing CGI sheets to repair existing roofs, it is important to ensure that the pattern of corrugations is compatible, otherwise leakage may appear. This way you may avoid disappointments. 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. 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. Features 1.- Product Details Name - GI Roffing Sheet, GI corrugated sheet, GI sheet, Hot dipped galvanzied steel roofing sheet, HDP GI corrugated sheet, Aluzinc coated roofing sheet, Galvalume steel corrugated sheet, Galvalume aluzinc steel coil,GL sheet, GL roofing sheet,PPGI roofing sheet, PPGI corrugated sheet. National Steel Processor - Offering GI Steel Sheets, Thickness 1-2 mm at Rs 45.5/kilogram in Ahmedabad, Gujarat. Basic indications regarding the quantity of CGI sheets per roof: Always add 0.05 to 0.075 m to the length of the roof slope to be covered with CGI sheets to allow for overlapping at the eaves. 7.85 x 18/20 + 7.13 x 2/20 = 7.80 The side overlap can be 1 corrugation only if the wind speed is lower than 100km/h and roof pitch higher than 15° (26%). measure the length of the roof and the length of the roof slope (example: length of roof = 6.6 m, length of roof slope = 1.87 m), add 5 cm to the length of the roof slope (total length of roof slope = 1.87 + 0.05 = 1.92 m), multiply the two values to get the surface of one roof slope to cover (example: surface of one roof slope S = 6.6 x 1.92 = 12.67 m2), Example: the percentage of overlapping in our case is 13 % as one CGI sheet is enough for the entire roof slope, and the surface of the CGI sheet is 0.92 x 2 m, N = 12.67 / (0.92 x 2.00 x (1 – 0.13)) = 7.9 CGI sheets, round up this value to get the quantity of CGI sheets to cover one roof slope (example: 7.9, multiply this value by 2 as there are 2 roof slopes in a gable roof (example: 8 x 2 = 16 CGI sheets to cover the entire roof), It is recommended to include a 10% loss to ensure that you will have enough CGI sheets to cover the roof. Avoid condensation. For other thicknesses, equivalence is provided in Annex 1 of the CGI sheet roof covering manual. The galvanization method used must be hot-dip galvanization as it better ensures the durability of the CGI sheets. From 2 years in harsh environments (marine and industrial) to 18 years (rural environment). Weight calculator for sheet metal. Density is a physical quantity with the symbol ρ. i wanted to know about g.i. Kgs. Custom Architectural Sheet Metal Fabrication Our Craftsmen are Copper and Zinc Specialists! Gauge (or gage) sizes are numbers that indicate the thickness of a piece of sheet metal, with a higher number referring to a thinner sheet. In such cases it is highly recommended to seek the advice of a shelter expert. When the shelter needs to withstand very high wind speed, using roofing screws (see item EHDWSCRSR046) with sealing washers may be more effective than roofing nails. Thickness is an important factor for strength and durability. SHEET, IRON, CORRUGATED galva., 26G 0.55mm 1mx2m, unit. Quality control: use a caliper to verify the thickness of the CGI sheet. Grade: It is possible to use a structural steel (low quality such as S220GD), but it is not recommended as it is usually more expensive than mild steel for cold forming. MS DENSITY = 7.85 G/CM3 = 7.85 X 10-6 KG/MM3 Density values are in grams/ cm3. Each Galvanized Sheet Gauge Number is 2.5 ounces per sq. 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. The overlapping of the CGI sheet sides (side overlap) is already deduced in the usable width (see in the first table). Assemble the CGI sheets on wooden frames with roofing nails (see item EHDWNAILRS01). For other thicknesses, equivalence is provided in Annex 1 of the, SHEET, IRON, FACIA CAP, galva. A wide variety of gi sheet weight calculation options are available to you, such as aisi, astm. The budget prices indicated in the product data sheets do not correspond to purchasing prices. (Example: 16 x 1.10 = 17.6, 18 CGI sheets to be ordered for the entire roof), recommended to use roofing screws with sealing washer. What is density of GI sheet. For a more accurate result, you can verify the appropriate CGI sheet thickness for your shelter design using the Roof Estimate Form (Excel spreadsheet) provided with the CGI sheet roof covering manual. 5.2 Galvanizing shall be carried out by first pickling the black sheets or by cleaning the cold-rolledcoils in the line and then dipping thern in a bath of11101":n zinc at a temperature suitable to produce a complete and uniformly adhesive zinc coating (sec IS :!(29). The density of galvanized steel is the weighted average of the mild steel density (7.87 gr/cc) and the density of the zinc coating (7.13 gr/cc). Usage areas of sheet … These sheets and plates are available in different dimensions and material to … Contact us via email. A density table is a table that displays the density of a substance in the form of a table. Any important variation from the EIC standard needs to be approved by a specialist. GI Pipes Weight calculation formula=[(outside - wall thickness) * wall thickness] * 0.0246615 * 1.06 = kg/meter (weight per meter) Galvanized steel pipe with hot-dip or galvanized zinc layer of welded steel pipe. : Number of corrugations can be determined by counting the top of corrugations. How long will the footprints on the moon last? density of gi sheet are distributed into various kinds on the basis of their shapes, sizes and dimensions. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. If the laths are thinner, then you need to multiply the quantity of roofing nails by 2. The zinc coating thickness can be verified using a coating thickness gauge or magnetometer (EMEAMEASGC01), which measures the thickness of the zinc coating applied to the CGI sheet. Zinc coating thickness and method of galvanization are the most important factors for durability. (Example: 16 x 1.10 = 17.6 à 18 CGI sheets to be ordered for the entire roof) Usage: When purchasing CGI sheets to repair existing roofs, it is important to ensure that the pattern of corrugations is compatible, otherwise leakage may appear. You can detail your project with multiple calculations. total width with 31in. It is also important to know the weight for machining metal sheets no matter the material. Pc. Get contact details and address | ID: 17136367130 This concept is also frequently used in other natural sciences such as chemistry and materials science. Ft. Steel, aluminium and stainless steel are the most used construction materials. 15 Reardon Road - Medford, MA - 02155 Tel. Galvanized Products. 0.475 mm (28 gauge) can be used for shelters when the wind speed is lower than 250 km/h, the distance between laths/battens/purlins is 0.50 m maximum and the area is not prone to snow. Find the address and contact details for all our branches. Caribbean recommendations: 0.551 – 0.701 mm (26 – 24 gauge), 6ft (1.83 m), 8ft (2.44 m), 10ft (3.05 m). Copyright © 2020 Multiply Media, LLC. For a more accurate quantity of CGI sheets and quantity of fasteners/fixings needed to securely attach the CGI sheets to the roof, it is highly recommended to use the Roof Estimate Form (Excel spreadsheet) provided with the CGI sheet roof covering manual (link to be included). Both verifications are crucial to ensure the durability and strength of the CGI sheets. Originally used in the fields of medicine and jewellery, the larger the Store in a dry and ventilated area. Gauge and weight chart for sheet steel, galvanized steel, stainless steel, aluminum and strip & tubing Sponsored Links Wire gauge is a measure for the size of a wire, either in … The gauge conversion depends on the material and its shape. These are American (Brown & Sharpe) Gauges. It’s free and easy to use! Minimum acceptable if no higher grade available. 0.475 mm (28 gauge) can be used for shelters when wind speed is lower than 250 km/h in a region not subjected to snow. Select the right density of gi sheet as per your purpose to be solved. The GI Steel Sheets that we offer to our clients are manufactured using high quality materials. The For example, G90 0.020″ HDG has about 2 mils of zinc and 18 mils of steel. 0.4 mm (30 gauge) can be used for shelters when wind speed is lower than 200 km/h in a region not subjected to snow. This coating can be exceptionally lowered to 240g/m² when higher grade is not available. Sheets ordered by gauge weight or thickness are subject to standard thickness and weight tolerances. Shear Connectors / Ribs are optional. The GI decking sheet is attached to the concrete by method for mouldings on the sheet which prevent the cement from slipping on a level plane and disconnecting vertically. Allowable loads are applicable for sheets spanning over a minimum of four supports and for permanent shuttering only. sheet price per kilo gram. It is highly recommended to use measurement in millimetre instead of gauge when ordering or purchasing CGI sheets, as the conversion of galvanized steel sheets can be confusing. Aluminium coating can be an alternative in very high corrosive environments (marine environment). Difference between GI and MS. We usually use density to describe the mass of a substance at a unit volume. The GI Steel Sheets that we offer to our clients are manufactured using high quality materials. Most common from 1.65 – 5.00 m (5.5 – 18.6ft), as per contract. Corrugated galvanised iron or steel (colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America) and occasionally abbreviated CGI) is a building material composed of sheets of hot-dip galvanised mild steel, cold-rolled to produce a linear corrugated pattern in them. In this case, the roof frame must be modified. 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. The zinc coating should be thick enough to ensure the durability of the CGI sheet by preventing corrosion. the spacing of the CGI sheet support (lath/batten/purlin) must be reduced to keep its strength. More details are provided in the CGI sheet roof covering manual (link to be included). Who is the longest reigning WWE Champion of all time? 36in. (Example: 16 x 1.10 = 17.6 à 18 CGI sheets to be ordered for the entire roof). Tinplate – Best Packaging Medium. The suggested side overlap is 2 corrugations. Gague are used to specify the thickness of a metal sheet. density of gi sheet are pretty strong and durable. It is possible to increase the zinc coating thickness in order to increase the service life (durability) of the CGI sheets. Roofing and … Depends on thickness of the zinc coating. Steel sheets and plates Seamless steel pipes - circular Hollow structural sections - circular Hollow structural sections - square Hollow structural sections - rectangular Round steel bars Square steel bars Flat bars Equal angles Unequal angles Channels - GOST Channels - UPN Beams - IPN Beams - IPE Beams - HEA (IPBL) Beams - HEB (IPB) In exceptional circumstances such as major difficulties of accessibility (mountainous and remote areas), it is possible to use exceptional solutions à choose thinner CGI sheets to reduce the weight of the transportation, if CGI sheets have to be carried by humans or animals. See drawing for more information. In this page you can calculate sheet metal weights without depending on any standard measure. Sheet metal gauges used in ductwork Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Other metal and alloys such as aluminium-zinc and aluminium can also be used to protect the steel sheet from corrosion. Corrosion can also occur when the coating is penetrated, as when someone drives a nail through a sheet of galvanized iron, exposing the iron inside to the elements. In this case, the roof frame must be modified à the spacing of the CGI sheet support (lath/batten/purlin) must be reduced to keep its strength. It is recommended to include a 10% loss to ensure that you will have enough CGI sheets to cover the roof. Most common from 711 – 1067 mm (28, 30, 36, 40 and 42 in), as per contract. For locally sourced items, check the relevant national standards or specifications. Sheets can be subjected to bending and forming without the flaking of zinc. 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. Our hot dipped galvanized sheets are produced to conform with ASTM A525. Below is the conversion for galvanized steel sheet (including CGI sheet, ridge cap and fascia cap). GEOMETRICAL PROPERTIES (Yield strength of material – 210 Mpa) Sl. Density Table. These sheets and plates are available in different dimensions and material to … All Rights Reserved. 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. Sheet metal weight and gauge chart. Sheet Metal Gauges and Weights. Always use gloves and hard shoes while manipulating CGI sheets. by Adam Hornbacher of Wenzel Metal Spinning. In the manufacturing industry (including both metal stamping, and metal spinning) galvanized commonly refers to galvanized steel. These measures will help in avoiding white rust. In such cases it is highly recommended to seek the advice of a shelter expert. In most cases, corrugation pitch is 76 mm and corrugation depth is 18 mm. Coating thickness gauge or magnetometer (EMEAMEASGC01), Roofing nails with sealing washers (EHDWNAILRS01), Roofing screws with sealing washers (EHDWSCRSR046), A minimum of 20µm on each side is recommended, : Use a coating thickness gauge to verify the thickness of the zinc coating, 0.475 mm (28 gauge) can be used for shelters when wind speed is lower than 250 km/h in a region, 0.4 mm (30 gauge) can be used for shelters when wind speed is lower than 200 km/h in a region. The thickness of the CGI sheet can be verified using a caliper gauge (EMEAMETACG16). meter Cost price of GI sheet per Kg in India? You can calculate the closest weight to the actual weight by selecting the material. - search is the most efficient way to navigate the Engineering ToolBox! The budget price includes many other factors, incoterms, and internal cost adjustment. Gague (Ga.) is a length measurement unit for diameters originating in North America and belongs to the Browne & Sharpe metering system. gi coil sheet-shandong hui qian jia steel plate co.,ltd SHANDONG HUI QIAN JIA STEEL PLATE CO.,LTD TEL:+86 0543-2777888 E-mail: Mike @hqjsteel.cn Diana@hqjsteel.cn 5.1.2 Forcorrugated sheets, the maximum phosphorus content maybe0.09 percent. IN M/Ton 6x3 10 3.15 2.313 41.634 24 8x3 10 3.15 2.313 55.512 19 8x4 10 3.15 2.313 74.016 14 6x3 12 2.50 1.834 33.012 30 8x3 12 2.50 1.834 44.016 23 8x4 12 2.50 1.834 58.688 18 6x3 14 2.00 1.453 26.154 39 8x3 14 2.00 1.453 34.812 29 Depends on the wind, the roof pitch, and if the length of the roof slope takes one or several CGI sheets (see the tables below).