Technical Information




    Dimensions and weight of ERW Black Tubes

    Dimensions and weight of ERW Black & Galvanized Steel Tubes as per IS:1239 (Part-1) 1990 Equivalent to B.S:1387-1987

     

    Nominal Bore (NB)

    Series

    Outside Diameter

    Wall Thickness

    Plain Ends

    Screwed & Socketed

    mm

    inch

     

    Min mm

    Max mm

    mm

    SWG

    Kg/Mtr

    Mtrs/Tone

    Kg/Mtr

    Mtrs/Tone

    15

    (1/2")

    L

    21.00

    21.40

    2.00

    14

    0.947

    1056

    0.956

    1046

    H

    21.00

    21.80

    2.60

    12

    1.21

    826

    1.22

    820

    M

    21.00

    21.80

    3.20

    10

    1.44

    694

    1.45

    690

    20

    (3/4")

    L

    26.40

    26.90

    2.30

    13

    1.38

    725

    1.39

    719

    H

    26.50

    27.30

    2.60

    12

    1.56

    641

    1.57

    637

    M

    26.50

    27.30

    3.20

    10

    1.87

    535

    1.88

    532

    25

    (1")

    L

    33.20

    33.80

    2.60

    12

    1.98

    505

    2.00

    500

    H

    33.30

    34.20

    3.20

    10

    2.41

    415

    2.43

    412

    M

    33.30

    34.20

    4.00

    8

    2.93

    341

    2.95

    339

    32

    (1 1/4")

    L

    41.90

    42.50

    2.60

    12

    2.54

    394

    2.57

    389

    H

    42.00

    42.90

    3.20

    10

    3.10

    323

    3.13

    319

    M

    42.00

    42.90

    4.00

    8

    3.79

    264

    3.82

    262

    40

    (1 1/2")

    L

    47.80

    48.40

    2.90

    11

    3.23

    310

    3.27

    306

    H

    47.90

    48.80

    3.20

    10

    3.56

    281

    3.60

    278

    M

    47.90

    48.80

    4.00

    8

    4.37

    229

    4.41

    227

    50

    (2")

    L

    59.60

    60.20

    2.90

    11

    4.08

    245

    4.15

    241

    H

    59.70

    60.80

    3.60

    9

    5.03

    199

    5.10

    196

    M

    59.70

    60.80

    4.50

    7

    6.19

    162

    6.26

    160

    65

    (2 1/2")

    L

    75.20

    76.00

    3.20

    10

    5.74

    175

    5.83

    172

    H

    75.30

    76.60

    3.60

    9

    6.42

    156

    6.54

    153

    M

    75.30

    76.60

    4.50

    7

    7.93

    126

    8.05

    124

    80

    (3")

    L

    87.90

    88.70

    3.20

    10

    6.72

    149

    6.89

    145

    H

    88.00

    89.50

    4.00

    8

    8.36

    120

    8.53

    117

    M

    88.00

    89.50

    4.80

    6

    9.90

    101

    10.40

    96

    100

    (4")

    L

    113.00

    113.90

    3.60

    9

    9.75

    103

    10.00

    100

    H

    113.10

    115.00

    4.50

    7

    12.20

    82

    12.50

    80

    M

    113.10

    115.00

    5.40

    5

    14.50

    69

    14.80

    68

    125

    (5")

     

     

     

     

     

     

     

     

     

    H

    138.50

    140.80

    4.80

    6

    15.90

    63

    16.40

    61

    M

    138.50

    140.80

    5.40

    5

    17.90

    56

    18.40

    54

    150

    (6")

    H

    163.90

    163.90

    4.80

    6

    18.90

    53

    19.50

    51

    M

    163.90

    166.50

    5.40

    5

    21.30

    47

    21.90

    46

     

     

     

     

     

     

     

     

     


    Tolerances :-

    Thickness:

    Light Tubes

    :

    + Not Limited 
    -  8%

     

    Medium & Heavy Tubes

    :

    + Not Limited
    - 10% 

    Weight:

    Single Tube (Light Series)

    :

    + 10%  
    - 8%

     

    Single tube (Medium & Heavy Series)

    :

    ±10%

     

    For quantities per load of 10 tonnes min (Light Series)

    :

    ±5%

     

    For quantities per load of 10 tonnes min (Medium & Heavy)

    :

    ±7.5%

    Length:

    Light, Medium & Heavy Tubes : Random length of 4 to 7 meters unless otherwise specified.

     

    ERW Steel Pipes for Water Gas & Sewage as per IS-3589 / 1991

    Nominal size

    Outer Diameter

    Thickness

    Theoretical Weight

    (NB)mm

    (OD)mm

    mm

    Kg./Mtrs.

    Mtrs./Ton

    150

    168.3

    4.00

    16.21

    61.70

    150

    168.3

    4.50

    18.17

    55.00

    150

    168.3

    4.80

    19.35

    51.68

    150

    168.3

    5.00

    20.14

    49.66

    150

    168.3

    5.40

    21.69

    46.10

    150

    168.3

    6.00

    21.02

    41.64

    150

    168.3

    7.00

    27.84

    35.92

     

     

     

     

     

    175

    193.7

    4.00

    18.70

    53.00

    175

    193.7

    4.50

    21.00

    48.00

    175

    193.7

    4.80

    22.35

    44.72

    175

    193.7

    5.00

    23.30

    43.00

    175

    193.7

    5.40

    25.10

    40.00

    175

    193.7

    6.00

    27.80

    36.00

    175

    193.7

    7.00

    32.20

    31.00

     

     

     

     

     

    200

    219.1

    4.00

    21.22

    47.13

    200

    219.1

    4.50

    23.81

    42.00

    200

    219.1

    4.80

    25.36

    39.43

    200

    219.1

    5.00

    26.40

    37.87

    200

    219.1

    5.40

    28.46

    35.13

    200

    219.1

    6.00

    31.53

    31.781

    200

    219.1

    7.00

    36.61

    27.31

     

     

     

     

     

    250

    273.1

    4.00

    26.54

    378.68

    250

    273.1

    4.50

    29.80

    33.55

    250

    273.1

    4.80

    31.74

    31.50

    250

    273.1

    5.00

    33.05

    30.25

    250

    273.1

    5.40

    35.63

    28.00

    250

    273.1

    6.00

    39.51

    25.31

    250

    273.1

    7.00

    45.92

    21.77


    Tolerances :-

    Thickness :

    Outside Diameter  :

    ±10%

    ± 0.75

    Length     

    Random length 4 to 7 metres Unless otherwise specified.


    Production Specification :-

    IS: 1239 (Part – I)

    Mild Steel tubes, tubulars and other wrought steel  fittings

    IS: 1161

    Mild steel tubes used for structural purpose.

    IS: 3589

    Seamless or electrically welded steel pipes for water, gas & sewage.

    IS: 4270

    Steel tubes used for water wells.

    IS: 1978

    Specification for line pipe.

    IS: 11722

    Thin walled flexible quick coupling pipes.

    IS: 1387

    Screwed and socketted steel tubes and tubular.

     

    Steel Tubes for Water Wells (Casing Pipes) Conforming to IS: 4270 / 1992

    Nominal Bore (N.B)

    Outside Diameter

    Thickness

    Theoretical Weight Plain End.

     

    mm

    mm

    Kg/m

    M/Tone

    100

    114.3

    5.0

    13.38

    74

    125

    141.3

    5.0

    16.80

    59

    150

    168.3

    5.0

    20.13

    49

    175

    193.7

    5.4

    25.10

    40

    200

    219.1

    5.4

    28.46

    35

    225

    244.5

    6.0

    35.29

    28

    250

    273.0

    7.1

    46.57

    21

     

    A.  PHYSICAL PROPERTIES :-

    Grade

    Y.S (min)

    T.S. (min)

    % age

     

    MPa (Kg/mm2)

    MPa (Kg/mm2)

    Elognation

    Fe 410

    240

    410

    9500/TS

    Fe 450

    305

    450

    9500/TS

     

    B.   TOLERANCES :-

    i)

    Outside diameter of pipe

    :

    +1.0%

    ii)

    Thickness
    Upto 406.4 mm OD

    :

    +15%  
    - 12.5%

    iii)

    Weight
    Single Tube

    :

    +10%
    - 8%

    iv)

    Length

    :

    Random length of 4 to 7 meters unless otherwise specified.

     

    Dimensions and Weight of Black & Galvanised Steel Tubes Conforming to BS: 1387/ASTM A-120

    NB & Series

    Approx. Outside Diameter

    Wall Thickness

    Approx. Weight of Tubes

    Sockets

    mm

    Min. mm

    Max. mm

    mm

    Gauge

    Kg/Mtr

    Mtr/MT

    Kg/Mtr

    Mtr/MT

    No. of Pipes

    O.D

    Length

    15L

    21.0

    21.4

    2.0

    14

    0.947

    1055

    0.956

    1046

    174

    27.0

    37

    M

    21.1

    21.7

    2.6

    12

    1.21

    826

    1.22

    819

    136

    -

    -

    H

    26.1

    21.7

    3.2

    10

    1.44

    694

    1.45

    689

    114

    -

    -

    20L

    26.4

    26.9

    2.3

    13

    1.38

    724

    1.39

    719

    119

    32.5

    39

    M

    26.6

    27.2

    2.6

    12

    1.56

    641

    1.57

    636

    106

    -

    -

    H

    26.6

    27.2

    3.2

    10

    1.87

    534

    1.88

    513

    88

    -

    -

    25L

    33.2

    33.8

    2.6

    12

    1.98

    505

    2.00

    500

    83

    39.5

    46

    M

    33.4

    34.2

    3.2

    10

    2.41

    405

    2.43

    412

    68

    -

    -

    H

    33.4

    34.2

    4.0

    8

    2.94

    341

    2.96

    338

    56

    -

    -

    32L

    41.9

    42.5

    2.6

    12

    2.54

    394

    2.57

    389

    65

    49.0

    51

    M

    42.1

    42.9

    3.2

    10

    3.10

    322

    3.13

    319

    53

    -

    -

    H

    42.1

    42.9

    4.0

    8

    3.79

    264

    3.82

    261

    43

    -

    -

    40L

    47.8

    48.4

    2.9

    11

    3.23

    309

    3.27

    305

    51

    56.0

    51

    M

    48.0

    48.8

    3.2

    10

    3.57

    280

    3.61

    227

    46

    -

    -

    H

    48.0

    48.8

    4.0

    8

    4.38

    229

    4.42

    226

    37

    -

    -

    50L

    59.6

    60.2

    2.9

    11

    4.08

    245

    4.15

    241

    40

    68.0

    60

    M

    59.8

    60.8

    3.6

    9

    5.03

    199

    5.10

    196

    32

    -

    -

    H

    59.8

    60.8

    4.5

    7

    6.19

    161

    6.26

    159

    26

    -

    -

    65L

    75.2

    76.0

    3.2

    10

    5.71

    175

    5.83

    171

    28

    84.0

    69

    M

    75.4

    76.6

    3.6

    9

    6.43

    156

    6.55

    153

    25

    -

    -

    H

    75.4

    76.6

    4.5

    7

    7.93

    126

    8.05

    124

    20

    -

    -

    80L

    87.9

    88.7

    3.2

    10

    6.72

    149

    6.89

    145

    24

    98.0

    75

    M

    88.1

    89.5

    4.0

    8

    8.37

    120

    8.54

    117

    19

    -

    -

    H

    88.1

    89.5

    5.0

    6

    10.30

    97

    10.50

    95

    16

    -

    -

    100L

    113.0

    113.9

    3.6

    9

    9.75

    102

    10.00

    100

    16

    124.0

    87

    M

    113.3

    114.9

    4.5

    7

    12.20

    82

    12.50

    80

    13

    -

    -

    H

    113.3

    114.9

    5.4

    5

    14.50

    69

    14.80

    67

    11

    -

    -

    125M

    138.7

    140.6

    5.0

    6

    16.60

    60

    17.10

    58

    10

    151.0

    -

    H

    138.7

    140.6

    5.4

    5

    17.90

    56

    18.40

    54

    8

    -

    -

    150M

    164.1

    166.1

    5.0

    6

    19.70

    51

    20.30

    49

    8

    178.0

    96

    H

    164.

    166.1

    5.4

    5

    21.30

    46

    21.90

    45

    7

    -

    -

     

     

     

     

     

     

     

     

     

     

     

     

     

    Tolerances :-

    Thickness:

    Light Tubes

    :

    + Not Limited 
    -  8%

     

    Medium & Heavy Tubes

    :

    + Not Limited
    - 10% 

    Weight:

    Light, Medium

    :

    For quantities of 150 metres : ± 4%  
    and over of one size
    For single Tube : + 10%
                              - 8%

    Length:

    Light, Medium & Heavy Tubes : Random length of 4 to 7 meters unless otherwise specified.