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

NOMINAL BORE MEAN OUTSIDE DIAMETER SERIES OUTSIDE DIAMETER(MIN)(MAX) WALL THICKNESS Mass of Plail End Tubes METER PER MT
mm Inch Max.(mm) Min.(mm) (mm) (Kg/m) (m/tones)
1/2 21.30 L1 21.00 21.70 2.30 1.08 926
L2 21.00 21.40 2.00 0.947 1056
M 21.00 21.80 2.60 1.21 826
H 21.00 21.80 3.20 1.44 694
3/4 26.90 L1 26.40 27.10 2.30 1.39 719
L2 26.40 26.90 2.30 1.38 725
M 26.50 27.30 2.60 1.56 641
H 26.50 27.30 3.20 1.87 535
1 33.70 L1 33.20 34.00 2.90 2.20 455
L2 33.20 33.80 2.60 1.98 505
M 33.30 34.20 3.20 2.41 415
H 33.30 34.20 4.00 2.93 341
1 1/4 42.40 L1 41.90 42.70 2.90 2.82 355
L2 41.90 42.50 2.60 2.54 394
M 42.00 42.90 3.20 3.10 323
H 42.00 42.90 4.00 3.79 264
1 1/2 48.30 L1 47.80 48.60 2.90 3.24 309
L2 47.80 48.40 2.90 3.23 310
M 47.90 48.80 3.20 3.56 281
H 47.90 48.80 4.00 4.37 229
2 60.30 L1 59.60 60.70 3.20 4.49 223
L2 59.60 60.20 2.90 4.08 245
M 59.70 60.80 3.60 5.03 199
H 59.70 60.80 4.50 6.19 162
2 1/2 76.10 L1 75.20 76.30 3.20 5.73 175
L2 75.20 76.00 3.20 5.71 175
M 75.30 76.00 3.60 6.42 156
H 75.30 76.60 4.50 7.93 126
3 88.90 L1 87.90 89.40 3.60 7.55 132
L2 87.90 88.70 3.20 6.72 149
M 88.00 89.50 4.00 8.36 120
H 88.00 89.50 5.00 10.30 97
4 114.30 L1 113.00 114.90 4.00 10.80 93
L2 113.00 113.90 3.60 9.75 103
M 113.10 115.00 4.50 12.20 82
H 113.10 115.00 5.40 14.50 69
5 139.70 M 138.50 140.80 5.00 16.60 60
H 138.50 140.80 5.40 17.90 56
6 165.10 M 163.90 166.50 5.00 19.80 51
H 163.90 166.50 5.40 21.30 47
TOLERANCES
A) THICKNESS B) WEIGHT (MASS) C) LEAK TIGHTNESS TEST
1.Plus/minus 10% for medium & heavy series
2.Minus 8% with plus tolerance limited by weight for light series		 1.Plus/minus 7.5% on load of 10 tons for heavy and medium series
2.Plus 10% minus 8% on individual pipes for light series		 100% hydrotesting at a pressure of 50 bar
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