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IS 1239 Steel Pipes, Tubes

As one of the leading suppliers of IS:1239 steel pipes in Mumbai. We are stocks an extensive range of electric resistance welded (ERW) IS:1239 steel pipes in a size range of 15mm. N.B. to 150mm N.B. in the Light, Medium and Heavy classes. We are also offers steel pipes in compliance with IS: 3589-2001 and IS: 10577-1982.

All IS:1239 steel pipes and black tubes supplied by we are produced in accordance with ASTM /IS/BS specifications. At, we strictly adhere the scheme of Testing and Inspecting laid down by the Bureau of Indian Standards (BIS).

Steel Pipes and Tubes Dimensions Confirming to IS: 1239 (Part – I) – 2004, Equivalent to BS – 1387 / 1985

Nominal Bore Outside Diameter Light (A-Class) Thickness Weight Medium (B-Class) Thickness Weight Heavy (C-Class) Thickness Weight
Inch mm Inch mm mm kg/mtr mm kg/mtr mm kg/mtr
1/8″ 3 mm 0.406 10.32 1.80 0.361 2.00 2.65 0.493
1/4″ 6 mm 0.532 13.49 1.80 0.517 2.35 0.407 2.90 0.769
3/8″ 10 mm 0.872 17.10 1.80 0.674 2.35 0.852 2.90 1.02
1/2″ 15 mm 0.844 21.43 2.00 0.952 2.65 1.122 3.25 1.45
3/4″ 20 mm 1.094 27.20 2.35 1.410 2.65 1.580 3.25 1.90
1″ 25 mm 1.312 33.80 2.65 2.010 3.25 2.440 4.05 2.97
1.1/4″ 32 mm 1.656 42.90 2.65 2.580 3.25 3.140 4.05 3.84
1.1/2″ 40 mm 1.906 48.40 2.90 3.250 3.25 3.610 4.05 4.43
2″ 50 mm 2.375 60.30 2.90 4.110 3.65 5.100 4.47 6.17
2.1/2″ 65 mm 3.004 76.20 3.25 5.840 3.65 6.610 4.47 7.90
3″ 80 mm 3.500 88.90 3.25 6.810 4.05 8.470 4.85 10.1
4″ 100 mm 4.500 114.30 3.65 9.890 4.50 12.10 5.40 14.4
5″ 125 mm 5.500 139.70 – – 4.85 16.20 5.40 17.8
6″ 150 mm 6.500 165.10 – – 4.85 19.20 5.40 21.2

Big Diameter Steel Pipes, ERW Pipes Confirming to IS 3589, Grade FE330, Grade FE410

Wall Thickness NominalBore 7″ NB 193.7 mm OD NominalBore 8″ NB 219.1 mm OD NominalBore 10″ NB 273 mm OD NominalBore 12″ NB 323.7 mm OD NominalBore 14″ NB 355.6 mm OD NominalBore 16″ NB 406.4 mm OD NominalBore 18″ NB 457mm OD NominalBore 20″ NB 508 mm OD
mm Kg/mtr Kg/mtr Kg/mtr Kg/mtr Kg/mtr Kg/mtr Kg/mtr Kg/mtr
4.85 22.59 25.62 32.07 38.13 – – – –
5.20 24.17 27.43 34.34 40.85 – – – –
5.60 26.00 29.28 36.93 43.93 48.11 – –
6.00 27.88 31.53 39.50 47.02 51.49 61.00 69.00 –
6.35 29.34 33.28 41.73 49.67 54.43 62.35 70.50 78.50
7.01 32.77 36.76 46.43 55.45 61.82 69.04 – –
7.94 – 41.00 50.95 61.85 67.98 77.94 87.80 –
8.18 – 42.56 53.42 65.12 – – – –
9.53 – 51.50 60.24 73.75 81.21 93.13 105.00 117.00
12.70 – – – – 107.28 123.30 139.00 155.00

Steel Pipes, Steel Tubes Tolerance as per IS:1239

(a) Thickness
(1) Butt welded Light tubes +Not limited
– 8 percent
Medium and Heavy tubes + Not Limited
– 10 percent
(2) Seamless Tubes +Not Limited
– 12.5 percent
(b) Weight :
(1) Single tube (light series) +10 percent
– 8 percent
(2) Single tube
(medium & heavy Series)		 +10 percent

IS:1239 Steel Pipes and Tubes Product, Stock Range

Size: 15mm NB to 150mm NB (1/2” to 6”), 7″ (193.7mm OD to 20″ 508mm OD)
Dimension & Tolerance: Black Steel Pipes Dimensions – IS: 1239 (Pt I) – 2004, Equivalent to BS – 1387 / 1985
Specifications: IS – 1239 (Part -1) 2004, Equivalent to BS – 1387 / 1985
Surface Finish: Black
Features: High Strength, Corrosion Resistant, High Toughness and Deformability
Length: As per customer’s requirement (Maximum upto 7 meters)
Features: High Strength, Corrosion Resistant, High Toughness and Deformability
What are the Applications of IS:1239 Steel Pipes and IS:1239 Steel Tubes?

  1. Industrial Water Lines, Plant Piping
  2. Agriculture and Irrigation
  3. Galvanized Steel Fencings
  4. Road Barriers
  5. Parking Barriers
  6. Temporary Fencings
  7. Steel Gates & Windows
  8. Road Side Railings
  9. Structural and fabrication work
  10. Water Pipelines
  11. Sewerage Systems
  12. Oil Pipe Lines
  13. Oil Refinery Piping, Crude Oil Piping
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