Piping Projects US is one of the leading Flanges Manufacturer in USA. We produce and offer many types of flanges, including lap joint flanges, weld neck flanges, orifice flanges, slip-on flanges, and others. We employ a variety of materials to make our high-quality flanges. Alloy Steel Flanges are mostly constituted of chromium, molybdenum, and nickel in their chemical makeup. Chrome Moly Flanges are known for their superior corrosion and oxidation resistance. Pipingprojects.us is a top flange supplier in USA.