Video
Enquiry

Black Tubes


Black tubes are manufactured from cold rolled steel strips with sharp edges in different dimensions. The black steel tubes we offer are made in adherence to Indian and International standards including IS:1161 / 1998 and IS : 1239 : PART 1

 
WEIGHT CHART OF BLACK STEEL TUBES ( HR TUBES)/PREGALVA TUBES PER 6.00 METERS LENGTH
 
    THICKNESS                      
NB GRADE OD 1.00 1.20 1.40 1.50 1.90 2.00 2.25 2.50 2.80 3.15 3.50 4.00
15 NB 21.40 3.02 3.59 4.14 4.42 5.48 5.74 6.37 6.99 7.70 X X X
20 NB 26.90 3.83 4.56 5.28 5.64 7.03 7.37 8.21 9.02 9.98 11.07 X X
25 NB 33.50 4.81 5.73 6.65 7.10 8.88 9.32 10.40 11.47 12.72 14.14 X X
32 NB 42.50 6.14 7.33 8.51 9.10 11.41 11.98 13.40 14.79 16.45 18.34 20.19 X
40 NB 48.30 7.00 8.36 9.71 10.39 13.04 13.70 15.33 16.94 18.85 21.04 23.20 26.22
50 NB 60.30 8.77 10.49 12.20 13.05 16.42 17.25 19.32 21.38 23.82 26.63 29.41 33.32
  63.50 9.25 11.06 12.86 13.76 17.32 18.20 20.39 22.56 25.14 28.12 31.07 35.21
65 NB 76.20 X 13.31 15.49 16.58 20.88 21.95 24.62 27.26 30.41 34.04 37.64 42.73
  80.00 X 13.99 16.28 17.42 21.95 23.08 25.88 28.66 31.98 35.81 39.61 44.97
80 NB 88.90 X 15.57 18.12 19.40 24.45 25.71 28.84 31.96 35.67 39.96 44.22 50.24
  95.50 X X X 28.86 26.31 27.67 31.04 34.40 38.40 43.04 47.64 54.15
  101.60 X X X 22.21 28.02 29.47 33.07 36.65 40.93 45.88 50.80 57.76
SQUAR TUBE     1.20 1.50 1.60 1.90 2.00 2.20 2.50 2.80 3.00 3.60 4.00
12X12     2.61 3.19 3.38 X X X X X X X X
15X15     3.17 3.89 4.13 4.82 X X X X X X X
19X19     4.07 5.02 5.33 6.25 6.55 X X X X X X
20X20     4.30 5.30 5.63 6.61 6.92 X X X X X X
24X24     5.20 6.44 6.84 8.04 8.43 9.21 X X X X X
25X25 *     5.42 6.71 7.14 8.39 8.80 6.62 X X X X X
30X30 *     6.55 8.12 8.64 10.18 10.68 11.68 13.17 15.58 16.52 X X
32X32 *     7.00 8.69 9.24 10.89 11.44 12.51 14.11 16.71 17.73 X X
38X38 *     8.36 10.39 11.05 13.04 13.70 15.00 16.94 20.11 21.35 23.81 26.22
40X40 *     8.81. 10.94 11.65 13.75 14.44 15.82 17.86 21.21 22.53 25.14 27.69
50X50 *     11.06 13.76 14.65 17.32 18.20 19.95 22.56 26.85 28.55 31.90 35.21
60X60 *     13.31 16.58 17.66 20.88 21.95 24.08 27.26 32.49 34.56 38.67 42.73
RECTANGULAR TUBE                   3.00 3.20 3.60 4.00
25X12                   X X X X
25.40X12.70                   X X X X
30X20                   X X X X
40X20 *                   X X X X
50X25 *                   20.11 21.35 23.81 26.22
60X30                   24.03 25.54 28.52 31.45
60X40 *                   26.85 28.55 31.90 35.21
75X25 *                   26.85 28.55 31.90 35.21
80X40/100X20 *                   32.49 34.56 38.67 42.73
80X60                   38.12 40.57 45.53 50.24
96X25                   32.49 34.56 38.67 42.73
96X48 *                   38.12 40.57 45.43 50.24
100X50/75.5X75.5                   41.05 43.70 48.95 54.15
100X60/120X40/80X80                   43.76 46.58 52.19 57.76