... highly toerant wire diameter (0.10-0.7mm)and stable tensile strength9450-4080N/mm2) outstanding straightness. Features Specifications: EDM Wire Material ... ,0.15mm,0.20mm,0.25mm, 0.30mmWire : hard , softTensile Strength: Hard: >=980 N/mm2 ;900-1080N/mm2 Soft : below 450 ... tensile strngth of wires .Color :goldenDiameter: 0.10mm,0.15mm,0.20mm,0.25mm, 0.30mm Wire : hard , semi-hard, softTensile Strength ...