... for boilers, heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. 1 General usage pipeProduct Description: Tube for ... .2 Boiler & Heat-exchanger tubesProduct Description: Tube for boilers, heat exchangers, super heaters, condensers, and catalytic ... : Hydraulic system, Mechanism in automation, fuel tubes for aircrafts, instrumentation Standards: ASTM/ASME A213/SA213, ...