ASTM A312 / A213-10a, TP304H, TP310H, TP316H, TP321H, TP347H Stainless Steel Seamless Pipe With Random Length, Size : DN15, DN25, DN30, DN 40, DN 50, DN 80, DN 100, DN 150, DN200, DN250, DN300, DN350, DN400, DN500, DN600, SCH 10S, 40S, 80S, 120, 160, XS, XXS.

ANSI B16.10:  B16.19  SCH 5S, SCH 10S, SCH 20, SCH 30, SCH 40S, SCH 60, SCH80S, XS, SCH 100, SCH 120, SCH160, XXS