... 1.Item:Stainless steel pipe cap 2.Material:310S,309S,316,316L,317,317L,321,304,304L,201,904L 3.Size ... capStandard ASTM, JIS, DIN, EN, GB, KS, etcMaterial 310S,309S,316,316L,317,317L,321,321H,347,347H,304,304L,302 ... Pipe End Cap,Carbon Steel Pipe Cap,304l Smls End Ss Pipe Cap