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UNS C51900 Phosphor Bronze Chemical Composition & Properties, Grades, Chart and Pdf

Bronze, was the UNS C51900 is a phosphor alloy in which an excellent electrical conductivity is combined with corrosion and good mechanical resistance. This alloy is most often made from a bimetal of pure copper and tin, with the inclusion of about 0.05-0.35% of phosphorus which makes about 87.-90% of copper, 8-11% of tin and 0.05-0.35% of phosphorus. This group is also available in a variety of grades, with each grade offering its own unique properties which can be tuned to best match the exact demand for a particular application. This continues as the production differentiation mentioned above C5191C, C51900, and C5191R grades. Phosphor bronze is one of the metals that is very widely employed in electrical contacts, springs and other mechanical devices for resististance to impact and conductivity. Regarding its mechanics, an engineering steel has a high tensile strength, good fatigue resistance, and moderate hardness. Furthermore, it remains highly unharmed by a corrosive environment, which is the cause of its prominence in the marine and industrial uses. However, for more specific information, go through the manufacturer's and raw material supplier's tables and PDFs.

UNS C51900 Phosphor Bronze Chemical Composition And Grade Table

Alloys C51900 phosphor bronze from UNS have high strength, resistance to corrosion and conductivity of electricity which make them a very widespread material. The bronze chemical composition are made up of two main elements, copper as the base metal, and phosphorus and tin as the alloy elements. Its composition vary from the battery to another, the normal one has 90% copper, 8-10% tin and 0.1-0.35% phosphorous. Here, the use of copper and zinc alloy enables mass production of highly adaptable parts, in electrical contacts, springs, and fasteners, among others. The UNS C51900 phosphor bronze grade table shows the other product characteristics achieved due to variation in the different engineering processes as well as the intended applications.

UNS C51900 Phosphor Bronze Composition Table
Elements Sn Zn P Pb Fe Cu
Min (%) 5 - 0.03 - - -
Max (%) 7 0.03 0.35 0.05 0.1 Balance

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