"Transpower Switchgear Industries" MAKE HDGI. Steel Tubular Pole Swaged Welded confirming to IS: 2713 / 1980 manufactured from Prime Quality E. R. W. Black Tubes/Pipes conforming to IS : 1239 shall be swaged by means of Hydraulic swaging Machine. This swaging Process is basically to retain the Physical/Chemical properties of the Raw Material and to get the uniform Result. The Poles shall be cut Round square and shall be reasonably straight, Smooth and cylindrical, The upper edge of each Joint shall be welded by means of electrodes of ISI make only. Height 3Mtr to 16 Mtr
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