ASTM A213/SAME SA213 T22 alloy tube 2.ASTM A213, A210-C, A179,A192,DIN17175ST37.5 ST35.8 3.OD: 6-1200mm, WT: 1-80mm ET+UT 1 Product name heat exchanger tube2 Production StandardASTM SA213, SA335, A369, A209, A250, G3462, G3467, DIN17175, BS3059-23 Material ASTM A213/SAME SA213 T22 alloy tube A213: T2, T5, T9, T11, T12, T22, T91, T92 A335: P1, P2, P5, P9, P11, P12, P21, P22, P91, P92 DIN17175: ...