SPECIFICATION FOR STEEL TUBES & TUBULARS CONFORMING TO IS 1239:2004

NOMINAL BORE MEAN OUTSIDE DIAMETER SCH 10 SCH 30/40
WALL THICKNESS Mass of Plail End Tubes WALL THICKNESS Mass of Plail End Tubes
mm Inch mm Inch mm Inch Kg/Mtr LBs/ft mm Inch Kg/Mtr LBs/ft
15 1/2" 21.30 0.840 ---- ---- --- --- 2.77 0.109 1.27 0.85
20 3/4" 26.70 1.050 2.11 0.083 1.28 0.96 2.87 0.113 1.69 1.13
25 1" 33.40 1.315 2.77 0.109 2.09 1.41 3.38 0.133 2.50 1.68
32 1.1/4" 42.20 1.660 2.77 0.109 2.69 1.81 3.56 0.140 1.68 2.27
40 1.1/2" 48.30 1.900 2.77 0.109 3.11 2.09 3.68 0.145 4.05 2.72
50 2" 60.30 2.375 2.77 0.109 3.93 2.64 3.91 0.154 5.45 3.66
65 2.1/2" 73.00 2.875 3.05 0.120 5.26 3.53 5.16 0.203 8.64 5.80
80 3" 88.90 3.500 3.05 0.120 6.46 4.34 5.49 0.216 11.29 7.58
90 3.1/2" 101.60 4.000 3.05 0.120 7.41 4.98 5.74 0.226 13.58 9.12
100 4" 114.30 4.500 3.05 0.120 8.37 5.62 6.02 0.237 16.09 10.80
125 5" 141.30 5.563 3.40 0.134 11.58 7.78 6.55 0.258 21.79 14.63
200 8" 219.10 8.625 4.78 0.188 25.26 16.96 7.04 0.277 36.82 24.72
250 10" 273.10 10.750 4.78 0.188 31.62 21.23 7.08 0.307 51.05 34.27
TOLERANCES*
A) THICKNESS B) WEIGHT C) OUTSIDE DIAMETER
Minus 12.5% Plus/minus 5% 1. Upto 11/2" (40mm) NB = plus 0.4 mm/ minus 0.80 mm
2. 2" (50mm) NB = plus/minus 1%
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