... 2"to 72" 2. Material: Carbon steel 3.Reasonable Price Carbon steel with Low Price welding neck flange :Welding Neck Flange ... , SCH80, SCH100, SCH120, SCH160, XS, XXS3.Material: Carbon steel. Alloy Steel4.Standard: ANSI B16.5, DIN, JIS ... Neck Flanges, WN Flanges, Welding-Neck Fittings in carbon steel, Stainless Steel, alloy steel, etc. ... to receive your inquiry. Carbon steel with Low Price welding flange