... BS,ASME,GB,GOST dn80 carbon steel weld neck flange Types of flangeweld neck flange, slip on flange, plate flange, blind flange, socket ... /2"~60" (DN15-DN2000) Wall thicknesssch5-sch160,xs,xxsMaterialcarbon steel,stainless steel, alloy steel.Techniquecasting or forgedPressure Rating150, 300, 600, 900, 1500, ... 45/60 days according to quantity PortTianjin seaport,China. dn80 carbon steel weld neck flange