1.Model:DN125,DN150, etc 2.Material:A234,A105,Q235,20# and other 3.Length:1m- ... 9m or custom-made 4:Thicknes:2-10mm We are the professional supplier for the pipe fittings ... , dia168Material45Mn2, St52, St35, Q235, St37, ASTM A105, A234-WPBApplicationUsed in concrete transportation in construction workStandardISO, ANSI, GB concrete pump pipe fitting