pump pipe (1)Material:45Mn2,St52,Q235,37Mn5 (2)Size:DN100 to ... and low pressure We are the professional supplier for the pipe fittings and we are confident that we can offer the ... , dia168Material45Mn2, St52, St35, Q235, St37, ASTM A105, A234-WPBApplicationUsed in concrete transportation in construction workStandardISO, ANSI, GB concret pump straight ...