PUSHPAK is one of the leading manufacturers for CORTEN STEEL / CARBON STEEL APH & BOILER TUBES (IBR) / CDW /CDS (COLD) Tubes / SS ERW TUBES/Super Heater Coils with complete range of relevant fittings. We cater to a huge customer base spread across various industrial sectors. Air Pre-Heater (APH) & Boiler IBR- (Indian Boiler Regulation) Tubes are manufactured in a wide range to meet the desired customer specifications. These tubes conform to national and international standards such as ASTM A 423 (Corten A & Corten B), BS 6323,BS 3059, ASTM A-588, SA 214, IS-3601, IS-1914 ,ASTM A 179,A 178, A 192, A 209, A 210, ST-52, A 213, 106, 202,304 ,316 Grade etc.