pump pipe (1)Material:45Mn2,St52,Q235,37Mn5 (2)Size:DN100 to DN150 (3)Series:125 and 150 (4) ... , dia168Material45Mn2, St52, St35, Q235, St37, ASTM A105, A234-WPBApplicationUsed in concrete transportation in construction workStandardISO, ANSI, GB concret pump straight pipe