... . 3.Excellent quality. 4.Various size. 1.NameStainless steel U Type Bend Pipe2.StandardGB14976-2002, GB13296-2007, JIS, AISI, DIN, 3 ... -pipe7.Material304,304L,310S,321,321H,316, TP316L, 316L .etc.8.Typeseamless9.Steel grade 300 series10.Secondary Or NotNon-secondary11.Alloy ... .3.Excellent quality.4.Various size. 304L Stainless steel U Type Pipe