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Roll Tubes Private Limited

Formerly Known As Roll Tubes Limited

Products Range

STEEL TUBES FOR STRUCTURAL PURPOSE CONFORMING TO IS:1161/1998 Equivalent to BS:1775/1964

N.B and series Outside Diametar Wall Thicness Plain and Tubes
mm Min. mm /SWG Kg./M Mtrs./Ton
         
15 L 21.3 2.00 0.947 1058
      M 2.60 1.21 826
      H 3.20 1.44 694
         
20 L 26.9 2.30 1.38 725
      M 2.60 1.56 641
      H 3.20 1.87 535
         
25 L 33.7 2.60 1.98 505
      M 3.20 2.41 415
      H 4.00 2.93 341
         
32 L 42.4 2.60 2.54 394
      M 3.20 3.10 323
      H 4.00 3.79 264
         
40 L 48.3 2.90 3.23 310
      M 3.20 3.56 281
      H 4.00 4.37 229
         
50 L 60.3 2.90 4.08 245
      M 3.60 5.03 199
      H 4.50 6.19 162
         
65 L 76.1 3.20 5.71 175
      M 3.60 6.42 156
      H 4.50 7.93 126
         
80 L 88.9 3.20 6.72 149
      M 4.00 8.36 120
      H 4.80 9.90 101
         
90 L 101.6 3.60 8.70 115
      M 4.00 9.63 144
      H 4.80 11.50 87
         
100 L 114.3 3.60 9.75 103
       M 4.50 12.20 82
      H 5.40 14.50 69
         
110 L 127.0 4.50 13.60 74
       M 4.80 14.50 69
      H 5.40 16.20 62
         
125 L 139.7 4.50 15.00 67
       M 4.80 15.90 63
      H 5.40 17.90 56
         
135 L 152.4 4.50 16.40 61
       M 4.80 17.50 57
      H 5.40 19.60 51
         
150 L 165.1 4.50 17.80 56
       M 4.80 18.90 52
      H 5.40 21.30 47
         
150 L 168.3 4.50 18.20 55
       M 4.80 19.40 52
      H1 5.40 21.70 46
      H2 6.30 25.20 40
         
175 L 193.7 4.80 22.40 45
       M 5.40 25.10 40
      H 5.90 27.30 37
         
200 L 219.1 4.85 25.40 39
       M 5.60 29.50 34
      H 5.90 31.00 32
         
225 H 244.5 5.90 34.70 29
         
250 H 273.0 5.90 38.90 26
         
300 H 323.9 6.30 49.30 20
         
350 H 355.6 8.00 68.60 15

TOLERANCES :
(a) Outside Diameter:
1. Upto and Including 48.3mm           + 0.4 mm
                                                          - 0.8 mm

2. Over 48.3mm                                 +/-1 Percent

(c) Thickness :                                 + Not Limited
                                                          - 10 Percent
 
(b) Weight :
1. Single Tubes                                     + 10 Per Cent
(Light Series)                                        - 8 Per Cent

2. Single Tube                                       + 10 Per Cent
(Mediuam and Heavy Tubes)                 - 10 Per Cent

3. 10 Tonne lots                                   + 5 Per Cent
(Light Series)                                        - 5 Per Cent

4. 10 Tonne lots                                  + 7.5 Per Cent
(Medium and Heavy Series)                 - 7.5 Per Cent