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ERW Pipes
We are engaged in offering a wide range of ERW Pipes, which is available in different sizes, shapes, and other technical specifications to meet the requirements of our clients. These pipes and tubes are offered in 4 inch size (10.2 mm) with OD and below, wherein the strip is fed into a set of forming rolls. The roll comprises horizontal and vertical rollers so placed as to gradually from the flat strip into a tube. This further allows to pass the welding electrodes. The copper disks type electrodes are connected to the secondary of a revolving transformer assembly. This helps to make contact on each side of the seam and temperature is raised to the welding point. Further, the outside flash is removed as the tube leaves the electrodes and the inside flash is wiped out by an air hammer or by passing a mandrel through the welded tube, after the tube has been cooled. This formation is known as Electric Resistance Welded or ERW Tube/Pipe.

Based on the end user customer's requirement, ERW (electric resistance welded ) steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes. While manufacturing ERW steel pipes, only high-quality, continuous-cast, fully killed, control-rolled, fine-grain, low-carbon steel is used. High performance ERW steel pipes and tubing possess high strength corrosion resistance, high deformability, high strength and high toughness.

Before reaching the market place, ERW steel pipes and tubing are routed through numerous tests including a hydro-test, an ultrasonic weld inspection, bevel check, micrometer check, straightness evaluation, and ring gouge to ensure it’s quality. These pipes are used in fencing, line pipes, oil country tubulars, scaffolding, water and gas conveyance, structural, engineering purpose. There has been a tremendous increase in the production of ERW steel pipes due to growing demand in oil & gas industry, infrastructure and automobile usages.

SALIENT FEATURES
  • High strength
  • Corrosion resistance
  • Durable
  • Dimensional accuracy
  • Fine finish
APPLICATION AREA
  • Water pipelines
  • Agriculture & irrigation (Water mains, sewerage systems, industrial water lines, plant piping, deep tube-wells & casing pipes)
  • Gas pipe lines (Pipe lines for natural gas)
  • LPG and other non-toxic gas
  • The SW is meant for shallow water applications in a canal, natural stream, culvert, or pipe

ASTM Std. A53 Welded Steel Pipes and Seamless Steel Pipes
Available Sizes ( Dimensions and Weights)

NPS Designator Outside Diameter Wall Thickness Weight Class Schedule No. Plain End Thread & Coupling
In. mm In. mm Weight Weight
Ib/ft kg/ft kg/m Ib/ft kg/ft kg/m
1/2 0.840 21.3 0.109 2.77 STD 40 L 0.85 0.39 1.27 0.85 0.39 1.27
0.147 3.73 XS 80 M 1.09 0.49 1.62 1.09 0.49 1.62
0.188 4.78 - 160 H 1.31 0.59 1.95 - - -
0.294 7.47 XXS - 1.71 0.78 2.55 1.72 0.78 2.54
3/4 1.050 26.7 0.113 2.87 STD 40 1.13 0.51 1.69 1.13 0.51 1.69
0.154 3.91 XS 80 1.47 0.67 2.20 1.48 0.67 2.21
0.219 5.56 - 160 1.94 0.88. 2.90 - - -
0.308 7.82 XXS - 2.44 1.11 3.64 2.44 1.11 3.64
1 1.315 33.4 0.133 3.38 STD 40 1.68 0.76 .2.50 1.68 0.76 2.50
0.179 4.45 XS 80 2.17 0.98 3.24 2.18 0.99 3:25
0.250 6.35 - 160 2.84 1.29 4.24 - - -
0.358 9.09 XXS - 3.66 1.66 5.45 3.66 1.66 5.45
1.660 42.2 0.140 3.56 STD 40 2.72 1.23 4.05 2.73 1.24 4.04
0.191 4.85 XS 80 3.63 1.65 5.41 3.66 1.66 5.39
0.250 6.35 - 160 4.86 2.21 7.25 - - -
0.382 9.70 XXS - 6.41 2.91 9.56 6.41 2.91 9.56
1.900 48.3 0.145 3.68 STD 40 2.72 1.23 4.05 2.73 1.24 4.04
0.200 5.08 XS 80 3.63 1.65 5.41 3.66 1.66 5.39
0.281 7.14 - 160 4.86 2.21 7.25 - - -
0.400 10.16 XXS - 6.41 2.91 9.56 6.41 2.91 9.56
2 2.375 60.3 0.154 3.91 STD 40 3.65 1.66 5.44 3.68 1.67 5.46
0.218 5.54 XS 80 5.02 2.28 7.48 5.07 2.30 7.55
0.344 8.74 - 160 7.46 3.39 11.11 - - -
0.436 11.07 XXS - 9.03 4.10 13.44 9.03 4.10 13.44
2.875 73.0 0.203 5.16 STD 40 5.79 2.63 8.63 5.82 2.64 8.67
0.276 7.01 XS 80 7.66 3.47 11.41 7.73 3.51 11.52
0.375 9.52 - 160 10.01 4.54 14.90 - - -
0.552 14.02 XXS - 13.70 6.21 20.39 13.70 6.22 20.39
3 3.500 88.9 0.125 3.18 - - 4.51 2.05 6.72 - - -
0.156 3.96 - - 5.57 2.53 8.29 - - -
0.188 4.78 - - 6.65 3.02 9.92 - - -
0.216 5.49 STD 40 7.58 3.44 11.29 7.62 3.46 11.35
0.250 6.35 - - 8.68 3.94 12.93 - - -
0.281 7.14 - - 9.96 4.38 14.40 - - -
0.300 7.62 XS 80 10.25 4.65 15.27 10.33 4.46 15.39
0.438 11.13 - 160 14.32 6.50 21.35 - - -
0.600 15.24 XXS - 18.58 8.43 27.68 18.57 8.43 27-66
4 4.500 114.3 0.125 3.18 - - 5.84 2.65 8.71 - - -
0.156 3.96 - - 7.24 3.28 10.87 - - -
0.188 4.78 - - 8.66 3.98 12.91 - - -
0.219 5.56 - - 10.01 4.54 14.91 - - -
0.237 6.02 STD 40 10.79 4.89 16.07 10.89 4.94 16.2
0.250 6.35 - - 11.35 5.15 16.90 - - -
0.281 7.14 - - 12.66 5.74 18.87 - - -
0.312 7.92 - - 13.68 6.33 20.78 - - -
0.337 8.56 XS 80 4.98 6.79 22.32 15.17 6.89 22.60
0.438 11.13 - 120 19.00 8.62 28.32 - - -
0.531 13.49 - 160 22.51 10.21 33.54 - - -
0.674 17.12 XXS - 27.54 12.49 41.03 27.58 12.52 41.09
5 5.563 141.3 0.156 3.96 - - 9.01 4.09 1.41 - - -
0.188 4.78 - - 10.79 4.89 16.09 - - -
0.219 5.56 - - 12.50 5.67 18.61 - - -
0.258 6.55 STD 40 14.62 6.43 21.77 14.81 6.72 22.07
0.281 7.14 - - 15.85 7.19 23.62 - - -
0.312 7.92 - - 17.50 7.94 26.05 - - -
0.344 8.74 - - 19.17 8.70 28.57 - - -
0.375 9.52 XS 80 20.78 9.43 30.94 21.09 9.57 31.42
0.500 12.70 - 120 27.04 12.27 40.28 - - -
0.625 15.88 - 160 32.96 14.95 49.11 - - -
0.750 19.05 XXS - 38.55 17.49 57.43 - - -
6 6.625 168.3 0.188 4.78 - - 12.92 5.86 19.27 - - -
0.219 5.56 - - 14.98 6.79 22.31 - - -
0.250 6.35 - - 17.02 7.72 25.36 - - -
0.280 7.11 STD 40 18.37 8.60 28.26 19.18 8.71 28.58
0.312 7.92 - - 21.04 9.54 31.32 - - -
0.344 8.74 - - 23.08 10.47 24.39 - - -
0.375 9.52 - - 25.03 11.35 37.28 - - -
0.432 10.97 XS 80 28.57 12.96 42.56 28.89 13.12 43.05
0.562 14.27 - 120 36.39 16.52 54.20 - - -
0.719 18.26 - 160 45.35 20.57 67.56 - - -
0.864 21.95 XXS - 53.16 24.11 79.22 - - -

ASTM Std. A53 Welded Steel Pipes and Seamless Steel Pipes
Available Sizes ( Dimensions and Weights)

NPS Designator Outside Diameter Wall thickness Weight Class Schedule No. Weight
In mm In mm Lb / ft Kg/ft Kg/m
8 8.625 219.1 0.188 4.78 - - 16.94 7.69 25.26
0.203 5.16 - - 18.26 8.29 27.22
0.219 5.56 - - 19.66 8.93 29.28
0.250 6.35 - 20 22.36 10.15 33.31
0.277 7.04 - 30 24.70 11.21 36.31
0.312 7.92 - - 27.70 12.58 41.24
0.322 8.18 STD 40 28.55 12.96 42.55
0.344 8.74 - - 30.42 13.81 45.34
0.375 9.52 - - 33.04 15.00 49.20
0.406 10.31 - 60 35.64 16.18 53.08
0.438 11.13 - - 38.30 17.39 57.08
0.500 12.70 XS 80 43.39 19.70 64.64
0.594 15.09 - 100 50.95 23.13 75.92
0.719 18.26 - 120 60.71 27.56 90.44
0.812 20.62 - 140 67.76 30.76 100.92
0.875 22.22 XXS - 72.42 32.88 107.88
0.906 23.01 - 160 74.69 33.91 111.27


 
         
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