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Pipes
Technical Data of Black and Galvanized Pipes Specification IS: 1239 (Part - I) (Equivalent to BS: 1387-1985)
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Black Pipes
Plain End
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Galvanized Pipes
Screwed and Socketed
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mm
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mm
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mm
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mm
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SWG
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kg/m
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mts/ton
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kg/m
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mts/ton
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15L
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21.0
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21.4
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2.0
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14
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0.95
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1052
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0.96
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1046
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M
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21.0
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21.8
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2.6
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12
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1.21
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826
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1.22
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820
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H
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21.0
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21.8
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3.2
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10
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1.44
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694
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1.45
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690
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20L
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26.4
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26.9
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2.3
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13
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1.38
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725
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1.39
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719
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M
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26.5
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27.3
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2.6
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12
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1.56
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641
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1.57
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637
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H
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26.5
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27.3
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3.2
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10
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1.87
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535
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1.88
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532
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25L
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33.2
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33.8
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2.6
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12
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1.98
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505
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2.00
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500
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M
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33.3
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34.2
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3.2
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10
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2.41
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415
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2.43
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411.5
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H
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33.3
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34.2
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4.0
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8
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2.93
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341
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2.95
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339
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32L
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41.9
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42.5
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2.6
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12
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2.54
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394
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2.57
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389
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M
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42.0
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42.9
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3.2
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10
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3.10
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322
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3.13
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319
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H
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42.0
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42.9
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4.0
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8
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3.79
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264
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3.82
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262
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40.L
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47.8
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48.4
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2.9
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11
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3.23
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310
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3.27
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306
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M
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47.8
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48.8
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3.2
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10
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3.56
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281
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3.60
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278
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H
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47.9
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48.8
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4.0
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8
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4.37
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229
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4.41
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227
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50L
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59.6
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60.2
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2.9
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11
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4.08
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245
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4.15
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241
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M
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59.7
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60.8
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3.6
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9
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5.03
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199
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5.10
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196
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H
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59.7
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60.8
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4.5
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7
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6.19
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161
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6.26
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160
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65L
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75.2
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76.0
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3.2
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10
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5.71
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175
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5.83
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171.5
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M
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75.3
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76.6
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3.6
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9
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6.42
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156
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6.54
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153
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H
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75.3
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76.6
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4.5
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7
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7.93
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126
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8.05
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124
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80L
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87.9
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88.7
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3.2
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10
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6.72
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149
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6.89
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145
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M
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88.0
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89.5
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4.0
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8
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8.36
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120
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8.53
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117
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H
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88.0
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89.5
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4.5
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6
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9.90
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101
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10.40
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96
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100L
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113.0
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113.9
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3.6
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9
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9.75
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102
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10.00
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100
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M
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113.1
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115.0
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4.5
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7
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12.20
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82
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12.50
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80
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H
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113.1
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115.0
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5.4
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5
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14.50
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69
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14.80
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67.5
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125M
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138.5
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140.8
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4.8
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6
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15.90
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63
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16.40
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61
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H
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138.5
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140.8
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5.4
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5
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17.90
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56
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18.40
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54
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150M
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163.9
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166.5
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4.8
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6
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18.90
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53
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19.50
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51
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H
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163.9
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166.5
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5.4
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5
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21.30
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47
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21.90
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46
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Thickness and mass are applicable for black and galvanized steel tubes as per clause 8.1.1 of IS: 1239 (part-I) 1990
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A Thickness
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Tolerance
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B Weight
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Tolerance
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Light Tube
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+ not limited - 8%
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Single tube (light series)
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+10%-8%
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Medium and Heavy tubes
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+ no limited-10%
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Single tube (Medium Heavy series)
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+10%
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For quantities per load of 10 tons minimum (Light series)
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±5%
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For quantities per load of 10 tons minimum (Medium and Heavy Series)
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±7.5%
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Length Tolerance
Unless otherwise specified 4 to 7 mts. Can also supplied in fix length ± 5cm.
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