As one of the leading suppliers of black steel pipes in Mumbai, Global Steel Alloys stocks an extensive range of electric resistance welded - ERW black steel pipes and 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.
We also offer these Black ERW Steel Pipes in compliance with IS: 3589-2001 and IS: 10577-1982. All black steel ERW pipes supplied by us are produced in accordance with ASTM /IS/BS specifications.
At Global Steel Alloys, we strictly adhere the scheme of Testing and Inspecting of these Round Black Pipes that are being laid down by the Bureau of Indian Standards (BIS) – IS:1239 & IS:3589. We can offer this Square Black Pipes beveled or plain ended.
Black Steel Pipes/Black Steel Tubes Manufacturer, Supplier in India - IS:1239 (Part-1) 2004, Equivalent to BS:1387, FE 330, IS:3589
Black Steel Pipes, Black 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
Black Steel Pipes, Black 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 Black Steel Pipes, Black 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 |
Black Steel Pipes, Black 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 |
Origin of material (Make):
V & M France
Mannesmann Brazil
Dalmine Italy
Tubacex Spain
Nippon Steel & Sumitomo Metal, Japan
Sumitomo Japan
ArcelorMittal Romania
JFE Steel Corporation Japan
Ratnamani India
Rajendra Industrial Corporation India
Outokumpu Finland
Welspun India
UAE, Bahrain, Indonesia, Malaysia, Mexico, Chile, Brazil, Peru, Nigeria, Kuwait, Jordan, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan, Saudi Arabia. Our high quality steel pipes, good customer service, and in house pipes and tubes processing capabilities have made us one of the emerging suppliers for steel pipes and tubes in Middle East countries including Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates and Yemen.
Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Jamshedpur, Warangal, Nellore, Agartala and Thoothukudi