STRUCTURAL STEEL TUBES

Major Application of Structural Tubes :

Our wide range of steel scaffolding pipes are of superior quality which meet the international standard and guidelines. The pipes are made from high quality Hot Rolled Coils, making it highly erosion resistance. They are available in various specifications. The scaffolding pipes are used in the construction or repair of buildings for supporting the structure.Thick steel scaffolding pipes are used to support heavy platforms, which hold heavy loads & withstand movements. Generally made of hot dipped galvanized steel, so as to offer long term corrosion resistance, even Black pipes are used depending upon the usage conditions.





Other Application of Structural Steel Tubes :
  • Casing
  • Columns
  • Fence
  • Handrails
  • Load Bearing Structure
  • Piling
  • Posts
  • Poles
  • Railings
  • Scaffolding
  • Sign poles
  • Skywalks
  • Towers

IS : 1161-1998/BS 1139/1775


N.B. and Series Stip Width Outside Diameter Thickness Nominal Weight Black Tubes Plain End Calculated Nominal Weight Galvanised Tubes Plain End
mm mm Max. mm Kg/m M/Ton Kg/m M/Ton
15 L M H 64 63 61 21.3 2.0 2.6 3.2 0.947 1.210 1.440 1056 826 694 1.00 1.26 1.49 1003 794 671
20 L M H 81 80 78 26.9 2.3 2.6 3.2 1.380 1.560 1.870 724 641 534 1.43 1.61 1.92 699 621 521
25 L M H 101 99 98 33.7 2.6 3.2 4.0 1.980 2.410 2.930 505 415 341 2.03 2.46 2.98 493 407 336
32 L M H 128 127 126 42.4 2.6 3.2 4.0 2.540 3.100 3.790 393 322 264 2.62 3.18 3.87 382 314 258
40 L M H 147 146 145 48.3 2.9 3.2 4.0 3.230 3.560 4.370 309 281 229 3.34 3.67 4.48 299 272 223
50 L M H 184 182 180 60.3 2.9 3.6 4.5 4.080 5.030 6.190 245 199 161 4.20 5.15 6.31 238 194 158
65 L M H 234 233 231 76.1 3.2 3.6 4.5 5.710 60420 7.930 175 155 126 5.86 6.57 8.10 171 152 123
80 L M H 274 272 271 88.9 3.2 4.0 4.8 6.720 8.360 9.900 149 119 101 6.90 8.54 10.08 145 117 99
100 L M H 354 352 349 114.3 3.6 4.5 5.4 9.750 12.200 14.500 102 82 69 9.97 12.42 14.72 100 81 68
125 M H 433 432 139.7 4.8 5.4 15.900 17.900 63 56 16.15 18.15 62 55
150 M H 513 512 165.1 4.8 5.4 18.900 21.300 53 47 19.80 21.70 51 46
150 L M H   168.3 4.50 4.85 5.40 6.30 18.1 19.6 21.7 25.3 55 51 46 40 18.50 20.00 22.10 25.7 54 50 45 39
175 L M H   193.7 4.85 5.40 5.90 22.60 25.00 27.30 44 40 37 23.13 25.53 27.83 43 39 36
200 L M H   219.1 4.85 5.60 5.90 25.7 29.4 31.0 39 34 32 26.24 29.94 31.54 38 33 32
250 H   273.0 5.90 38.8 26 39.56 25
300 H   323.9 6.3 49.5 20 50.40 20
350 H   355.6 8.00 68.6 14.50 69.58 14

 A. PHYSICAL PROPERTIES
Grade Y.S. (min.) T.S. (min) %age
  Mpa (Kg/mm2) Mpa (Kg/mm2) Elongation
YST-210 210 (21.42) 330 (33.66) 20
YST-240 240 (24.48) 410 (41.82) 17

 B. STANDARD TOLERANCE
1 Outside Diameter  
  Upto & including 48.3 mm +0.4mm
    -0.8mm
  Over 48.3 mm +1%
    -1%
2 Thickness +Not Limited -10%
3 Weight  
  Singl Tube (Light) +10%
    -8%
  Single Tube (Midium & Heavy) ±10%
  10 Tonne Lots (Light) +5%
  10 Tonne Lots (Midium & Heavy) ±7.5%

 

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