TPTPL) is an ISO 9001 accredited plant that manufactures HSAW pipes, ERW steel pipes and Square & Rectangular hollow sections. The facility has modern high speed, state-of-the-art two step Spiral Pipe Mill designed by ATIS, Germany and manufactured by Initech Machinery Ltd, Korea to manufacture large diameter Spiral (HSAW) pipes from 18\\\" to 80\\\" diameter, as per API 5L up to Gr.X80, PSL2. It is the only mill in India having capability to roll even Gr. X100 pipes