Zinc Coated Brass Wire Properties

Compared with brass wire this taguti type coated wire has faster cutting speed and improves surface roughness and dimension precision.

Zinc coated brass wire properties. A heavy coating of pure zinc is applied to the outer surface 18 35μm of a copper or brass core. Cutting performance is increased according to properties of materials used in this coating. Even if the zinc coating is scratched off it continues to protect nearby areas of the underlying steel through cathodic protection as well as by forming a protective coating of zinc oxide. All of these phases can be arranged in various combinations to take advantage.

These wires are also utilized in those circumstances in which brass wires produce an unacceptable brass plating on the workpiece. Zinc problematic for high vacuum and higher temperatures present in some construction alloys e g. Zinc is rarely used in its pure form but instead is used to form numerous metal casting alloys including brass bronze nickel silver soft solder german silver spring brass and aluminum solder. Coating wire with a special outer coating in electrical discharge processing can provide higher processing power.

Wires with high zinc content make a better edm electrode but edm wire with zinc percentages approaching 40 are difficult to produce so a special method of producing wire with a higher zinc surface has been devised. Popular zinc alloys are referred to by the acronym zamak for zinc aluminum magnesium and copper. Tends to poison hot cathodes and form conductive deposits on surfaces. At around the same time crafts men in chi na be gan forg ing coins from the met al.

Zinc was lat er dis cov ered in eu rope and was soon in tro duced for wide spread use in var i ous spheres. Any materials that have been zinc coated by galvanization should be avoided or they have the coating removed first. Coated wires contain copper or brass cores and are coated with metals such as zinc copper silver. Zinc coated brass wires produce excep tional surface finishes when cutting tungsten carbide and are often utilized for cutting pcd and graphite.

Like aluminum zinc is highly reactive to oxygen in the presence of moisture and the coating prevents the iron in the steel from further oxidation. Zinc die casting alloys. Multi phase layered coated wire in addition to the three previously brass phases alpha beta and gamma phase there is one more brass phase that has unique properties that can be utilized in edm applications epsilon phase brass approximately 85 zinc content. The special coating ensures a very clean finish along the cut surfaces as well as a high performance in terms of cutting speed.

3 45 zn by weight it s used in musical instruments valves and hardware. Brass and some brazing alloys. 20 zn by weight it s used for its shiny silver appearance in jewelry silverware model train tracks and musical instruments. Also this zinc coated wire guarantees stable conductivity.