... , A192, DIN17175 ST37.5 ST35.8 ASTM A335 P22 alloy pipe1. ASTM A335 P22 alloy pipe 2. ASTM A213, A210-C, A179, A192 ... : 6-1200mm, WT: 1-80mm 4) heater 1 Product name ASTM A335 P22 alloy pipe heat exchanger tube2 Production StandardASTM SA213 ... , SA335, A369, A209, A250, G3462, G3467, DIN17175, BS3059-23 Material A213: T2, T5 ...