Used in composite design, GMF Decking system performs as a positive reinforcement and a permanent form support proving saving in concrete and reinforcement.
| Sr. No. | Thickness (MM) | Weight (Sq/m) | Weight (Kg/m) | Area (Cm**2) | Lyy (Cm**4) | Ixx (Cm**4) | Zyy (Cm**3) | Zxx (Cm**3) | Ryy (Cm) | Rxx (Cm) |
| 1 | 0.6 | 6.37 | 5.8 | 7.39 | 19.29 | 5567 | 8.34 | 119.71 | 1.62 | 27.44 |
| 2 | 0.8 | 8.5 | 7.74 | 9.86 | 25.73 | 7723 | 11.08 | 115.59 | 1.62 | 27.44 |
| 3 | 1 | 12.29 | 10.2 | 12.32 | 3.38 | 9278 | 15.17 | 194.48 | 1.61 | 27.44 |
| 4 | 1.2 | 12.43 | 11.56 | 14.73 | 38.32 | 11099 | 16.32 | 232.49 | 1.61 | 27.44 |
| 5 | 1.6 | 16.57 | 15.37 | 19.58 | 50.81 | 14766 | 21.41 | 309.12 | 1.61 | 27.44 |
| 6 | 2 | 20.71 | 19.14 | 24.39 | 63.02 | 19398 | 26.24 | 384.89 | 1.6 | 27.46 |
| 7 | 2.5 | 25.89 | 23.94 | 30.49 | 78.81 | 19936 | 32.46 | 481.06 | 1.6 | 27.46 |
| Material | Galvalume | Pre-Coated | Galvanized |
| Thickness | 0.47-1.6 | 0.5-1.6 | 0.45-1.6 |
| Coating | Alu-Zin 150GSN | Zinc 120Gsn | Zinc 120GSn |
| Length | Upto 12Mtr | Upto 12Mtr | Upto 12Mtr |
| Color | As per Color Shed | As per Color Shed | As per Color Shed |
| Strength | 340 | 240-340 | 240-700 |
| Span in Meter | |||||||
| Sr. no. | Thickness | 1 | 1.2 | 1.4 | 1.5 | 1.6 | 1.7 |
| 1 | 0.45 | 500 | 370 | 270 | 235 | 205 | 185 |
| 2 | 0.5 | 590 | 410 | 300 | 260 | 230 | 205 |
| 3 | 0.55 | 645 | 445 | 329 | 285 | 250 | 220 |
| 4 | 0.6 | 700 | 485 | 355 | 310 | 275 | 240 |
| 5 | 0.65 | 760 | 525 | 385 | 335 | 295 | 260 |
| 6 | 0.8 | 930 | 640 | 475 | 410 | 360 | 320 |
GMF Hi Rib roof and wall cladding systems is available in the following base material in standard execution. Galvalume high tensile cold rolled GMF as per AS-1397 standard coating class AZ150 zinc-alumminium alloy coating mass, total of both sides, 550MPA yield strength confirming to AS-1397 standard. Galvanized steel as per IS:277 (zinc coating mass / 245 MPa yield strength).
| DATA TABLE | Thickness of Base Metal (mm) | Thickness of Total Coated (mm) | Mass Per Unit Area (kg/m2) |
|---|---|---|---|
| Galvalume - AZ150, 550 Mpa (Bare) | 0.42 | 047 | 4.28 |
| Colour Coated Galvalume - AZ150, 550 MPa | 0.42 | 0.5 | 4.35 |
| PPGI/Z - 120 GSM, 240 MPa | 0.45 | 0.5 | 4.5 |
Technical Specification of GMF Pre-coated G.I. Steel
| Substrate | IS 513 Cold Rolled Steel Coils |
| Tensile Strength | 240 MPa - 350 MPa |
| Galvanizing | As per IS 277 |
| ZInc Coating | 120 GSM - 150 GSM |
| Pre Painting | IS 14246 |
| Type of Coating | RMP / SMP |
| Total Coated Thickness (TCT) | 0.50mm - 0.80mm |
Technical Specification of Galvalume
| Substrate | 55% Aluminium, 43.4% ZInc & 1.6% Silicon |
| Tensile Strength | 550 MPa |
| Coating Strength | As per IS 1397 - 1993 |
| Coating Mass | AZ 150 |
| Base Metal | High Tensile Steel |
| Total Coated Thickness (TCT) | 0.47mm - 0.60mm |
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