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BC3

JIS BC3 (C90500) bronze is a tin bronze alloy commonly used for bearings, gears, and other components requiring good strength and corrosion resistance. It is specified in the Japanese Industrial Standard (JIS) and is known for its machinability and ability to withstand wear. 

Composition and Properties:
  • Composition:

    JIS BC3 bronze typically contains around 10% tin, with the remainder primarily copper, and often some lead and zinc as well. 

  • Strength and Wear Resistance:

    BC3 is known for its higher strength and wear resistance compared to lower-tin bronze alloys like BC2. 

  • Corrosion Resistance:

    It offers good corrosion resistance, making it suitable for various applications. 

  • Machinability:

    BC3 bronze is considered to have good machinability, allowing for the production of complex shapes and parts. 

  • Other Properties:

    It also exhibits good toughness and resistance to seizure. 

Applications:
  • Bearings and Bushings:

    BC3 bronze is a common choice for bearings and bushings due to its wear resistance and ability to handle loads. 

  • Gears:

    Its strength and wear resistance make it suitable for various gear applications. 

  • Other Mechanical Parts:

    It can be found in impellers, pump housings, and other parts where these properties are needed. 

JIS Standard:
  • The Japanese Industrial Standard (JIS) specifies the composition and properties of BC3 bronze, ensuring consistency and quality. 
  • Specifically, JIS H 5111 covers bronze castings, including BC3. 
Comparison with other Bronze Alloys:
  • BC3 (C90500) is often compared to BC2 (C90300), with BC3 having slightly higher tin content and thus better strength and wear resistance.
  • BC6 (C83600) is another tin bronze alloy, but it typically has a lower tin content and is more balanced with lead and zinc. 
In summary, JIS BC3 bronze is a versatile alloy used in various mechanical applications where good strength, wear resistance, and corrosion resistance are important.
Supply capability : centrifugal casting bronze max diameter 1000 mm
Keyword :
BC3 bronze,
C90500,
Centrifugal casting bronze,
NDT, Non Destructive Test for bronze,
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