1. Heat exchanger tube 2. ASTM A213, A210-C, A179, A192, ... WT: 1-80mm 4) Use for heater 1 Product name heat exchanger tube2 Production StandardASTM SA213, SA335, A369, A209, A250, G3462, ... or bevel ends9 Coating for protection: Can be required according to customers' requirement10 Application:Widely used in oil, chemical industry, ... ton12 Payment:TT or LC ASTM A213/SAME SA213 heat exchanger tube