Steel Tubes [India] Pvt. Ltd manufactures Stainless/ Duplex Steel made Round Bars. Steel Tubes [India] Pvt. Ltd is an ISO 9001 and ISO 14001 certified company offering ferrous and non-ferrous metal products like pipes, tubes, flanges, butt welding and pipe fittings. The Stainless/ Duplex Steel made Round Bars are available in good dimensional accuracy and in sturdy construction for use in various industrial applications. The Stainless/ Duplex Steel made Round Bars comes in various technical specifications.