Protecting structures against corrosion damage is a concern for owners across the United States. In addition to offering epoxy coated strand, Sumiden Wire is proud to be the first US PC strand manufacturer to offer high-strength, low-relaxation stainless steel PC strand. This innovative new product is produced using a duplex alloy 2205 wire rod that is melted and manufactured here in the US; therefore compliant with all Buy-America and Buy-American requirements.