ASTM A213/SAME SA213 T22 alloy tube 2.ASTM A213, A210-C, A179,A192,DIN17175ST37.5 ST35 ... 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, ...