pump pipe (1)Material:45Mn2,St52,Q235,37Mn5 (2)Size:DN100 ... and low pressure We are the professional supplier for the pipe fittings and we are confident that we can offer ... description of the goods as follows: Nameconcrete pump pipeSizedia.133, dia.140, dia.159, dia168Material45Mn2, St52, St35, Q235, St37, ASTM A105, ... transportation in construction workStandardISO, ANSI, GB concret pump straight pipe