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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 table and chart gives information that the selectors need to use the grades properly. Moreover, a PDF version 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

The Advantages and Disadvantages of UNS C90800 Copper Material Properties, C90800 Properties

    Advantages:

  • Excellent Machinability: It was found that C90800 copper material is easy to be shaped and formed for thin sections with less tools destruction for complex parts.

  • Good Wear Resistance: Tin and lead improvements improve on the hardness; ideal for applications that include sliding or rotating parts.

  • Corrosion Resistance: Made to withstand corrosion in marine and other moist conditions to allow only long-lasting and dependable parts.

  • High Thermal Conductivity: Good thermal conductor which is suitable for heat exchangers, cooling systems and electrical connectors.

  • Lead Addition for Improved Machinability: Lead is effective in improving machinability as it decreases the friction and allows for superior surface finish and improved dimensions.

    Disadvantages:

  • Potential Environmental and Health Concerns: Lead content poses serious environmental and health implications during the manufacturing, storage, and disposal processes.

  • Dezincification Susceptibility: May corrode in hostile environments thereby reducing the robustness of the component in the long-run especially in environments that include acids and salts.

  • Limited Weldability: Difficult to weld, welding precautions are necessary to avoid problems such as hot cracking and porosity during welding.

  • Cost: More costly than other materials, which could mean increasing the costs of the project or product.

  • Availability of Stock Shapes: Sometimes it can be impossible to find standard stock shapes because they may have to be produced as per the specific needs of the application.

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Frequently Asked Questions

FAQs
What is its composition in terms of Chemical Elements of the UNS C90800 tin bronze?

UNS C90800 tin bronze may consist of copper (Cu), lead (Pb), tin (Sn), and other materials in certain amounts.

What are the grades of UNS C90800 tin bronze?

UNS C90800 tin bronze is proposed in several grades in consideration of its chemical composition, mechanical characteristics, and application prospects.

Are there any PDF files on the UNS C90800 tin bronze specifications?

Yes, manufacturers and suppliers usually offer PDF datasheets that contain information concerning UNS C90800 tin bronze such as specifications, composition, properties, and uses.

What are the typical applications of UNS C90800 tin bronze?

UNS C90800 tin bronze is specifically used where its characteristics of ease of machining, wear and corrosion resistance is desirable such as in bearings, bushings, gears and valves etc.

Raw Material Prices (Updated as on: 06 Oct 2024 01:52 PM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$17,750₹1,491.37
LME$17,831₹1,498.13
Copper$10,099₹848.47
LME$9,935₹834.69
Aluminum$2,636₹221.50
LME$2,665₹223.94
Zinc$3,160₹265.53
LME$3,170₹266.35
Lead$2,141₹179.90
LME$2,154₹180.99

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