... project, 3,plastic tube 4,MOQ:50m Name: Price of PE pipes Q: The HDPE pipe and steel pipe ... as sand and gravel dredging pipe? A:Here I will give you a comparison on UHMWPE pipe for ... get rusty, too weight to moveHDPE pipe: with low price, light weight, never get rusty, but low pressureUHMWPE pipe ... UHMWPE pipe is not flexible, Thus in the turning of the dredging project, we need rubber joints :Business ...