As one of the leading suppliers of black steel pipes in Mumbai, Steelmet Industries (Steel Pipes & Tube Division) stocks an extensive range of electric resistance welded (ERW) black steel pipes / black steel tubes in a size range of 15mm. N.B. to 150mm N.B. in the Light, Medium and Heavy classes, confirming to IS: 1239 (Part-1) 2004, Equivalent to BS : 1387. Steelmet also offers mild steel pipes in compliance with IS: 3589-2001 and IS: 10577-1982.
All black steel pipes and black tubes supplied by Steelmet are produced in accordance with ASTM /IS/BS specifications. At Steelmet, we strictly adhere the scheme of Testing and Inspecting laid down by the Bureau of Indian Standards (BIS) – IS:1239 & IS:3589. We can offer black steel tubes and pipes beveled or plain ended.
Black Steel Pipes, Black Tubes Dimensions Confirming To IS: 1239 (Part – I) – 2004, Equivalent To BS – 1387 / 1985Nominal 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  | 
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  | 
(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  | 
Size: 15mm NB to 150mm NB (1/2†to 6â€), 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 Black Steel Pipes and Black Steel Tubes?
- ✔ Industrial Water Lines, Plant Piping
 - ✔ Agriculture and Irrigation
 - ✔ Galvanized Steel Fencings
 - ✔ Road Barriers
 - ✔ Parking Barriers
 - ✔ Temporary Fencings
 - ✔ Steel Gates & Windows
 - ✔ Road Side Railings
 - ✔ Structural and fabrication work
 - ✔ Water Pipelines
 - ✔ Sewerage Systems
 - ✔ Oil Pipe Lines
 - ✔ Oil Refinery Piping, Crude Oil Piping
 
| Place of Origin | Not Given | 
| Minimum Order Quantity | Not Given | 
| Supply Ability | Not Given | 
| Packaging Details | Not Given | 
| Delivery Details | Not Given | 




