Wire Forming Spring Project Size Custom made Material Spring steel (SWC), piano wire (SWP), stainless steel (SUS), mild steel, phosphor bronze, 60Si2Mn, 55CrSi, T9A, A3, titanium alloy, nickel-plated wire, galvanized wire, tinned wire, enameled wire https://www.helispring.net/product/wire-forming-spring/