pump pipe (1)Material:45Mn2,St52,Q235,37Mn5 (2) ... can offer the goods with high quality and competitive price to meet your satisfaction.A trail order would convince ... your requirement.The description of the goods as follows: Nameconcrete pump pipeSizedia.133, dia.140, dia.159, dia168Material45Mn2, St52, ... concrete transportation in construction workStandardISO, ANSI, GB concret pump straight pipe