large diamester steel flange 1) size:1/2" to 160" 2) Standard: ISO,DIN, ... the products description:Nameslip on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon steel flange, stainless steel flange, alloy steel flangeSizeDN10 to DN2000Materialcarbon ... , ANSI/ASME, GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged large diamester steel flange