1) Outside Diameter 1/8''-20''(6mm-630mm) 2) Wall Thickness sch5s-160s( ... .7mm-30mm) 3) Material 304/304L/TP304/316L/TP316L 1)Outside diameter1/8''-20''(5mm-425mm)2)wall thickness5s-160s ... 301B, 304, 304L, 316, 316L, 321, 310S, 17440, 1.4301, 1.4306, 1.4401, 1.4435, 1.4541, 1.4845, SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS310S ETC4 ... of the TT or LC heat exchanger stainless steel seamless pipe