UNS C90800 Tin Bronze Chemical Composition, Grades, Chart and Pdf

Tin Bronze or UNS C90800, is a copper-based material with copper and tin as the main constituents. It has a great machinability and is resilient to corrosion thus it is employed in many industries like marine, automotive, and electrical. The chemical composition of typical bronze has a similar nature and is usually comprised of 88-90% copper and 10-12% tin. Elements such as phosphorus can additionally be found to improve specific attributes of the colored glass. In the various grades of UNS C90800 the compositions may differ while meeting individual requirements but still these differences do not exceed the basic characteristics of tin bronze. All of the material grades are listed in a thorough chart, including their chemical compositions. This chart gives information that the selectors need to use the grades properly. Moreover, a PDF version can also be downloaded for further information and technical advice concerning UNS C90800 Tin Bronze.

UNS C90800 Tin Bronze Chemical Composition And Grade Table

Tin Bronze C90800 which is an alloy based on Copper has a name for impeccable mechanical properties and high corrosion resistance standards. Made of copper, tin, and sometimes small concentrations of lead, zinc or phosphorus, this alloy provides a synergy between strength, plasticity and machinability. The chemical composition of this metal normally ranges from about 88% to 91% copper with up to 8% of tin, and other elements in tiny amounts. UNS C90800 is commonly used in wear resistance and good machinability applications like bearings, gears and valve components. It complies with the international standards for bronze alloys.

UNS C90800 Tin Bronze Composition Table
Elements Cu Sn Ni P Pb Zn Sb Fe S Al Si
Min (%) 85 11 - - - - - - - - -
Max (%) 89 13 0.5 0.3 0.25 0.25 0.2 0.15 0.05 0.005 0.005

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