Monel K500 spring wire stype: wire, strip, bar, pipe, sheet Grade: ... ,FeCrCo250,AMS5221C,ASTM F15,ASTM F29Hot-rolled BarHot-rolled Flat SteelCold-drawing WireMonel 400* Specification*Trade name of Special ... kN/mm225092 ksi CONDITION OF SUPPLYHEAT TREATMENT (AFTER FORMING)Annealed/Spring TemperStress relieve at 300 - 320oC (570 - 610oF) for 30 ... +230oC-330 to +445oF Special alloy Monel K500 spring wire