... , SCH30, SCH40, SCH80, SCH100, SCH120, SCH160, XS, XXS3.Material: Carbon steel. Alloy Steel4.Standard: ANSI B16.5, DIN, JIS, GB5 ... customers requirement 9.Lead Time:According customers requirement10.Quanlity: First grade Description of Welding Neck Flange:Welding Neck Flange are ... supplies Weld Neck Flanges, WN Flanges, Welding-Neck Fittings in carbon steel, Stainless Steel, alloy steel, etc. If you ...