1. Heat exchanger tube 2. ASTM A213, A210-C, A179, A192, ... : 6-1200mm, WT: 1-80mm 4) Use for heater 1 Product name heat exchanger tube2 Production StandardASTM SA213, SA335, A369, A209, A250 ... Seamless8 Type of ends: Plain ends or bevel ends9 Coating for protection: Can be required according to customers' requirement10 Application ... ton12 Payment:TT or LC ASTM A213/SAME SA213 heat exchanger tube