pump pipe (1)Material:45Mn2,St52,Q235,37Mn5 (2)Size:DN100 ... your requirement.The description of the goods as follows: Nameconcrete pump pipeSizedia.133, dia.140, dia.159, dia168Material45Mn2, St52, St35, Q235 ... -WPBApplicationUsed in concrete transportation in construction workStandardISO, ANSI, GB concret pump straight pipe