... , sockets , backnuts , flanges ,unions ,nipples bushings ,etcsize1/2"--6''CoatingsCold galvanizing , hot galvanizing or black and so on ... mm2,HardessHb163,Elongation6%.Hydrostatic testing;test pressure=2.4Mpa,Working Pressure=2.0Mpa .Delivery timeAccording to customer's requirement ... . Others1 .Special design available according to requirment.2. Min order qty 100pcs.3. Packaging ; carton, ...