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ERW BLACK &GALVANIZED STEEL TUBES CONFIRMING TO IS:1239(PT-1)/2004/ BS-1387/85

N B & Series Outside Diameter Wall Thickness Nominal Mass of Black & GI Steel Tubes Socket Strip
Plain end Screwed & Socketed No. of Pipes per Bundle
mm min(mm) Max(mm) mm swg (Kg/Mtr) mtrs/ton kg/mtrs mtrs/ton Min(outer dameter mm) Min length mm Width reqd mm
15 ½” L21.021.42.014.9501056.9601046165 27.03764
15 ½” M21.021.82.6121.218261.22820132 63
15 ½” H21.021.83.2101.446941.45690110 62
20 ¾” L26.426.92.3131.3807251.39719112 32.539.083
20 ¾” M26.527.32.6121.5606411.5763798 82
20 ¾” H26.527.33.2101.8705351.8853284 81
25 1” L33.233.82.6121.9805052.0050080 39.546.0102
25 1” M33.333.23.2102.4104152.4341265 101
25 1” H33.333.24.082.9303412.9533955 100
32 1¼” L41.942.52.6122.543942.5738960 49.051.0128
32 1¼” M42.042.93.2103.103223.1331951 127
32 1¼” H42.042.94.083.792643.8226242 126
40 1½” L47.848.42.9113.233103.2730648 56.051.0147
40 1½” M47.948.83.2103.562813.6027845 146
40 1½” H47.948.84.084.372294.4122736 145
50 2” L59.660.22.9114.082454.1524139 68.060.0183
50 2” M59.760.83.695.031995.1019630 182
50 2” H59.760.84.576.191616.2616027 181
65 2½” L75.276.03.2105.711745.8317227 84.069.0234
65 2½” M75.376.63.696.421565.5415324 233
65 2½” H75.376.64.577.931268.0512420 271
80 3” L87.988.73.2106.721496.8914523 98.075.0273
80 3” M88.089.54.088.361208.5311719 272
80 3” H88.089.54.869.9010110.409916 271
100 4” L113.0113.93.699.7510210.0010016 124.087.0354
100 4” M113.1115.04.5712.208212.508013 352
100 4” H113.1115.05.4514.506914.806811 351
125 5” M138.5140.84.8615.906316.406110 151.096.0437
125 5” H138.5140.85.4517.905618.40549 435
150 6” M163.9166.54.8618.905319.50518 178.096.0515
150 6” H163.9166.55.4521.304721.90467 513

Tolerances
Series Thickness weight Single Tube weight 10 Ton Lot
LIGHT + Not limited +10% +7.5%
8% -8% -5%
Medium & Heavy + Not limited +10% +7.5%
-10% +-10% +-7.5%

ERW BLACK & GALVANIZED STEEL TUBES CONFIRMING TO IS:116-199-/ BS-1139

N B & Series Outside Diameter Wall Thickness Nominal Mass of Black & GI Steel Tubes Socket Strip
Plain end Screwed & Socketed No. of Pipes per Bundle
mm min(mm) Max(mm) mm swg (Kg/Mtr) mtrs/ton kg/mtrs mtrs/ton Min(outer dameter mm) Min length mm Width reqd mm
15 ½” L21.021.42.014.9501056.9601046165 27.03764
15 ½” M21.021.82.6121.218261.22820132 63
15 ½” H21.021.83.2101.446941.45690110 62
20 ¾” L26.426.92.3131.3807251.39719112 32.539.083
20 ¾” M26.527.32.6121.5606411.5763798 82
20 ¾” H26.527.33.2101.8705351.8853284 81
25 1” L33.233.82.6121.9805052.0050080 39.546.0102
25 1” M33.334.23.2102.4104152.4341265 101
25 1” H33.334.24.082.9303412.9533955 100
32 1¼” L41.942.52.6122.543942.5738960 49.051.0128
32 1¼” M42.042.93.2103.103223.1331951 127
32 1¼” H42.042.94.083.792643.8226242 126
40 1½” L47.848.42.9113.233103.2730648 56.051.0147
40 1½” M47.948.83.2103.562813.6027845 146
40 1½” H47.948.84.084.372294.4122736 145
50 2” L59.660.22.9114.082454.1524139 68.060.0183
50 2” M59.760.83.695.031995.1019630 182
50 2” H59.760.84.576.191616.2616027 181
65 2½” L75.276.03.2105.711745.8317227 84.069.0234
65 2½” M75.376.63.696.421565.5415324 233
65 2½” H75.376.64.577.931268.0512420 271
80 3” L87.988.73.2106.721496.8914523 98.075.0273
80 3” M88.089.54.088.361208.5311719 272
80 3” H88.089.54.869.9010110.409916 271
100 4” L113.0113.93.699.7510210.0010016 124.087.0354
100 4” M113.1115.04.5712.208212.508013 352
100 4” H113.1115.05.4514.506914.806811 351
125 5” M138.5140.84.8615.906316.406110 151.096.0437
125 5” H138.5140.85.4517.905618.40549 435
150 6” M163.9166.54.8618.905319.50518 178.096.0515
150 6” H163.9166.55.4521.304721.90467 513

Tolerances
Series Thickness weight Single Tube weight 10 Ton Lot
LIGHT + Not limited +10% +7.5%
8% -8% -5%
Medium & Heavy + Not limited +10% +7.5%
-10% +-10% +-7.5%


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