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Dear sirs,we are an italian producer of dental products (please look our web site www.kdue.it)we&rsquore looking for a CHROME COBALT WIRE (nickel free) &ndash diameter mm. 0,25 and mm. 0,35 we need 10000 meters mm. 0,25 and 10000 meters 0,35 (if possible in single spools of 10000 meters)We send you metal components we need 3. PHYSICAL AND MECHANICAL (tolerances)Yield Strength 0.2% .............. 89,350 psi (616 MPa)Limit of tensile strength .............. 124,000 psi (855 MPa)Modulus of Elasticity ....................................... 29 X 106 psi (20 x 104 MPa)Elongation ............................. 4.5%Vickers Hardness ............................................. 428 HV5Density ................................................. ......... 8.3 g / ccMelting range ...................................... *******0 ° CComposition (% by mass)Cobalt ................................................. .......... 64.20 to 66.80%Chrome ................................................. ............. 27.45 to 28.60%Molybdenum ................................................. ...... 5.40 to 5.60%Mn, Si, C <1.0%Best regardsDanilo Dall&rsquoAglioK DUE