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, chart and PDFs.
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.
Elements | Sn | Zn | P | Pb | Fe | Cu |
---|---|---|---|---|---|---|
Min (%) | 5 | - | 0.03 | - | - | - |
Max (%) | 7 | 0.03 | 0.35 | 0.05 | 0.1 | Balance |
Advantages:
Corrosion Resistance: Copper aluminum C51900 alloy has good resistance to corrosion, especially in marine environment therefore it is suitable for the applications exposed to the moisture and salt water.
High Strength: It is rather strong than pure copper due to the presence of tin and zinc. It is thus is used for gears or fasteners that need strength and durability.
Machinability:C51900 copper alloy has got good machinability and easy fabrication features which make it a perfect material for manufacturing processes.
Wear Resistance: The addition of tin and zinc boosts the wear resistance level, causing it to serve efficiently in areas of friction and abrasion like bushings and bearings.
Electrical Conductivity: The conductivity level of C51900 still boasts a low value compared to pure copper but still, it is adequate for applications that require electrical conductivity albeit not to the degree of pure copper.
Disadvantages:
Cost: Copper alloys such as C51900 are usually quite pricey due to the fact that copper as well as the added alloying components is expensive.
Limited Weldability: Although this material is welded by adequate methods, C51900 copper alloys may be less welded than some other materials, which may restrict its usage in some manufacturing processes.
Material Selection: Depending on what the particular application involves, there may be alternative materials with better-suited properties, like higher strength or better corrosion resistance, which could make C51900 unsuitable for these cases.
Brittleness: In certain cases, incorporating alloying elements such as tin and zinc might be a cause of increased brittleness and it may turn out to be a real trouble for those areas requiring high ductility or toughness.
Availability of Shapes: The availability of designs and shapes may be more limited than that of pure copper due to its chemical composition that may end in some manufacturing processes or designs.
Here is another related topic that you may also like.
UNS C52400 Phosphor Bronze generally holds about 8-10% tin and 0% silicon. 03-0. 35% phosphorus, and the rest being copper, with probably tiny amounts of other elements.
UNS C52400 Phosphor Bronze has such a property as great corrosion resistance, high strength, good wear resistance and moderate electrical conductivity. It is suitable for different applications such as marine science, electrical, and mechanical systems which should have durability and reliability.
UNS C52400 Phosphor Bronze meets a variety of standards and specifications, including ASTM B139 Phosphor Bronze Rod, Bar, and Shapes, ASTM B103/B103M Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar, and SAE J461 and J463 Phosphor Bronze
Certainly, the manufacturers' websites, database repositories and websites of industry standards organizations such as ASTM International and SAE International hold the specifications data for UNS C52400 Phosphor Bronze. These papers contain comprehensive information on structure, mechanical properties and end-use applications of the alloy.