AMMAN-TRY Steel TMT Bars Manufacturers in Trichy, India. The company is engaged in the business of manufacturing of Bars and Rods of various sizes. The rolled products are Steel Rods (CTD / TMT/ CRS) from 6mm to 25mm. These rolled products, namely 6, 8, 10, 12, 16, 20 and 25mm rods are extensively used in building and other civil construction works. AMMAN-TRY Steel has always been a leader in the Steel industry, introducing new concepts in steel and started to produce CRS Bars in 2007 after that AMMAN-TRY emerged as the major steel producer in Tamilnadu.