An ISO 9001:2008 Certified Company, Steel Pipes & Tubes Industries is India’s most trusted manufacturer, exporter and supplier of stainless steel tubes (ASTM A 312 304/304L, 316/316L), carbon steel pipes (ASTM A A106, A53, API 5L), alloy steel seamless pipes (ASTM A335 P11, P22), mild steel pipes, industrial steel tubes, galvanized steel pipes and black steel pipes.