Global Steel is one of the leading manufacturer, supplier, stockist, and exporters of high-quality Alloy 20 flanges, providing superior quality products to serve the various demands of industrial applications everywhere in the world. Our Alloy 20 flanges are manufactured with austenitic stainless steel alloy that includes nickel, chromium, molybdenum, and copper—are specially developed to provide superior corrosion and pitting corrosion resistance to sulfuric acid as well as other aggressive compounds.