Basic Info.Model NO.:3 1/2,Website:http://www.rejeedrilling.com, 4", 4 1/2", 5", 5 1/2"Material:Stainless Steel PipeStandard:ASTM, GB, API, DIN, JISDiameter:Various Size According to Your DemandMedium:Fluids With Solid ParticleCross-Section Shape:RoundConnection Type:WeldingOd:3 1/2,4",4 1/2",5",5 1/2", etc.Export Markets:Global Additional Info.Trademark: Rejee, ect.Packing:Standard Export ...