1.Model:DN125,DN150, etc 2.Material:A234,A105,Q235,20# and other 3.Length:1m-9m or custom-made 4: ... your requirement.The description of the goods as follows: Nameconcrete pump pipeSizedia.133, dia.140, dia.159, dia168Material45Mn2, St52, St35, Q235 ... in concrete transportation in construction workStandardISO, ANSI, GB concrete delivery pump pipe