Seam Welded Steel Pipes (JS 137)

Black steel pipes

Electric resistance welded pipes (ERW) are used as a multi-purpose item, structural steel, firefighting, network pluming, scaffolding   and many other usages including gas transmission networks.

Hot dip galvanized steel pipes:

By hot dipping ERW in molten zinc a protective layer is formed to resist corrosion, giving a longer life for steel pipes. The HDG pipe are used for potable water transmission networks, structural pipe for outdoors like fencing, handrails, scaffolding, riser pipes and many other applications for both indoors and outdoors.

Light, medium and heavy series are available from these standard galvanized and black pipes, which are suitable for water lines (hot and cold), gas lines, firefighting, HVAC lines and electric poles. Pipes can be supplied and threaded according to BS 21

 

Jordan Standard No. 137

Class Nominal Diameter (DN) Designation of thread Outside diameter   Mass of black tube
Wall
Thickness
  mm Inch max min. mm Plain end Threaded and docketed
mm mm kg/m kg/m
Light 15 ½ 21.4 21 2 0.952 0.961
20 ¾ 26.9 26.4 2.35 1.41 1.42
25 1 33.8 33.2 2.65 2.01 2.03
32 1 ¼ 42.5 41.9 2.65 2.58 2.61
40 1 ½ 48.4 47.8 2.9 3.25 3.29
50 2 60.2 59.6 2.9 4.11 4.18
65 2 ½ 76 75.2 3.25 5.8 5.92
80 3 88.7 87.9 3.25 6.81 6.98
100 4 113.9 113 3.65 9.89 10.2
 Medium 15 ½ 21.7 21.1 2.65 1.22 1.23
20 ¾ 27.2 26.6 2.65 1.58 1.59
25 1 34.2 33.4 3.25 2.44 2.46
32 1 ¼ 42.9 42.1 3.25 3.14 3.17
40 1 ½ 48.8 48 3.25 3.61 3.65
50 2 60.8 59.8 3.65 5.1 5.17
65 2 ½ 76.6 75.4 3.65 6.51 6.63
80 3 89.5 88.1 4.05 8.47 8.64
100 4 114.9 113.3 4.5 12.1 12.4
125 5 140.6 138.3 4.85 16.2 16.7
150 6 166.1 164.1 4.85 19.2 19.8
Heavy 15 ½ 21.7 21.1 3.25 1.45 1.46
20 ¾ 27.2 26.6 3.25 1.9 1.91
25 1 34.2 33.4 4.05 2.97 2.99
32 1 ¼ 42.9 42.1 4.05 3.84 3.87
40 1 ½ 48.8 48 4.05 4.43 4.47
50 2 60.8 59.8 4.5 6.17 6.24
65 2 ½ 76.6 75.4 4.5 7.9 8.02
80 3 89.5 88.1 4.85 10.1 10.3
100 4 114.9 113.3 5.4 14.4 14.7
125 5 140.6 138.3 5.4 17.8 18.3
150 6 166.1 164.1 5.4 21.2 21.8