1>Certificate:ISO9001:2008 2>Diameter:0.03mm ~ 7.0mm 3>Yield Strength: >=138Mpa 4>Strength: ... 0.03mm ~ 7.0mm Delivery Surface 1. Black: The surface with oxide; 2 ... is the material color, glossy.Features 1.Toughness, light weight, 2. High ... ApplicationsJewelry, Medical Devices, Industrial, Mechanical part, fastener, rack, electrode materials, welding materials, etc.Yield Strength >=138MpaElongation ...