... , heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. 1 General usage pipeProduct Description: ... boilers, heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. Standards: ASTM/ ASME A213/SA213 ... tubeProduct Description: Hydraulic system, Mechanism in automation, fuel tubes for aircrafts, instrumentation Standards: ASTM/ASME A213/SA213 ...