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Tin Bronze Castings In Practice, Which Parts Can Be Used?
- Mar 28, 2017 -

Copper is a very typical kind of nonferrous metal, it is widely used in various fields, in addition to its use of aluminum is much more. Tin bronze is a kind of tin as the main alloy elements of bronze, its tin content is generally controlled between 3 ~ 14%, tin bronze castings can be used as elastic components and wear-resistant parts.

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As the tin bronze is a kind of casting shrinkage in many non-ferrous metal alloys, it is very suitable for the production of castings with complex shape, clear outline and low air tightness. It has been proved that the tin bronze castings are very resistant to air, sea water, fresh water and steam.

In the production of tin bronze castings, sometimes adding phosphorus, lead, zinc and other elements, because phosphorus is good deoxidizing agent, so it's added liquidity and can improve the wear resistance of tin bronze castings; and tin bronze with lead can improve the machinability and wear resistance, and can improve the casting of zinc the performance, which makes the performance of tin bronze castings has changed.

Add other elements of the alloy has good mechanical properties, wear resistance and corrosion resistance, and has the advantages of easy cutting, brazing and welding performance is good, the contraction coefficient is small, no magnetism and other advantages, so it can be used for wire flame spraying and arc spraying preparation of bronze bushing, sleeve, diamagnetic components such as tin bronze castings.

In practice, most of the high precision machine tools wear parts and elastic parts are phosphorus bronze castings used; and wear parts and sliding bearings are used with bronze castings; zinc tin bronze casting has become the ideal choice for high air tightness of parts.

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