The cold drawn wires are used to spring manufacturing in automotive and whiteware equipment. The most important mechanical properties of the wire used in spring production are tensile strength and minimum number of twists in the torsion test. In this study, the change of mechanical properties was examined by drawing wire with a diamater of 3.80 mm from wires with diameters of 7.00 and 8.00 mm diameter by cold wire drawing. The 3.80 mm wire was drawn from both the 7.00 mm wire at 6 steps with a diameter reduction of 70 % and from 8.00 mm wire at 7 steps with a 77 % diameter reduction. Following the production of the 3.80 mm wires, the values of tensile strength, elongation, elongation ratio, torsion, galvanizing thickness as micro, surface quality as macro were investigated by mechanical and microscobic analyzes.Keywords: Mechanical properties, high carbon galvanising coated steel wire, microscopic analyze
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