Tube Products Incorporate offers Eccentric and Concentric Reducer. Tube Products Incorporate is an ISO 9001:2008 accredited company. The company also manufactures and supplies carbon steel, stainless steel and alloy steel pipe fittings, flanges, piping spools and bulk pipes and plates. The Eccentric and Concentric Reducer are made of alloy steel, cast iron and stainless steel. The Eccentric and Concentric Reducer have high strength. These Eccentric and Concentric Reducer are available in hot forming sizes ranging from 20" NB - 24" NB and cold forming sizes ranging from 2" NB - 18" NB.