أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Mainly depends on what will flow, if highly couressive then : "CLAD" is the perfect material.
it is depend on too much things like Design, kind of liquid which to be iside pipe line, under pressure or not, soil report, avability of pipe materials of project country, itec.
