Technical Specification

Geometrical properties
S.N. Mark and Stamp Base
Metal
Thickness		 Finished
Thickness		 Average Weight   Moment 
of Inertia		 Social
Modulus
        Per Bundle Per Rm    
    mm mm Kg Kg cm⁴ cmᶟ
1 26 Heavy 0.41 0.43 92.13 4.2 5.784 2.317
2 25 Heavy 0.45 0.47 101.02 4.6 6.33 2.537
3 24 Medium 0.5 0.52 111.79 5.09 7.003 2.807
4 24 Heavy 0.52 0.54 116.09 5.29 7.269 2.914
5 22(L) 0.55 0.57 120.55 5.49 7.676 3.078
6 22(6) 0.6 0.62 133.32 6.08 8.338 3.345
7 0.75 0.75 0.77 165.89 7.56 10.295 4.134
8 0.8 0.8 0.82 176.66 8.05 10.942 4.395

 

Allowable Loads (UDL) in kg/m²
Base Metal
Thickness		   Span in Meters (Purling Spacing)            
mm 1 1.1 1.2 1.3 1.35 1.4 1.45 1.5 1.55 1.6
0.41 308 254 213 182 169 157 146 136 128 120
0.45 337 278 234 199 184 172 160 149 140 131
0.5 372 308 259 220 204 190 177 165 155 145
0.52 387 333 280 238 221 205 191 179 167 157
0.55 408 337 283 241 224 208 194 181 170 159
0.6 444 366 308 262 243 226 211 197 184 173
0.75 548 453 380 324 300 279 260 243 228 214
0.8 582 481 404 344 319 297 277 258 242 227

 

Live load as per IS 875 (part-2) - 1987 Table 2
S.N. Slope of Roof (V:H) 1 in 2 1 in 2.5 1 in 3 1 in 4 1 in 5 1 in 6 1 in 7 1 in 8
  in Degree 26.5 21.8 18.43 14 11.3 9046 8.13 7.1
  load in kg/m² 43 52.5 59 68 73.8 76.45 76.45 76.45

 

Length Feet 6 7 8 9 10 12              
Length Rm 1.829 2.133 2.438 2.743 3.048 3.657 4 5 6 7 8 9 9.56
Cover
Width
(sq.m)		 Sq.m 1.739 2.06 2.39 2.72 3.04 3.69 4.06 5.13 6.19 7.26 8.33 9.4 10

 

Rm= Running metre

Note:

  1. Plain sheet width is 1250 mm profiled sheet width is 1145 mm.
  2. The length from 6 ft to 12 ft are standard lengths and length from 2 meter to 12 meter can also be provided on request.