... pipeline Name: pipelines for seawater intakes & outfalls production line:Q:What is the difference between UHMWPE pipe, HDPE pipe and steel pipe? A ... , and also do not have request on the pressure, I suggest you HDPE pipe~ best choice is UHMWPE pipe (with long using age ... : 1, we prefer 100% fore T/T best, and if the total contract amount is below 50,000usd, we only accept 100% fore ...