AWWA C220:2012
AWWA C220:2012 Stainless-Steel Pipe, 1/2 In. (13 Mm) And Larger Applies to unannealed austenitic stainless-steel pipe that is longitudinal-seam or spiral-seam welded, 1/2 in. (13 mm) in nominal diameter and larger, intended for the transmission and distribution of