C94700 Nickel tin bronze

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C94700 Nickel tin bronze

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Nickel Aluminum Grooved Cast Spherical Bronze Bushing Flange Sliding Bearing Bronze Lubricating Bushes type of bearing made from a bronze alloy that includes nickel and aluminum.

This bearing is specifically designed with a spherical shape and includes grooves which enhance its lubrication capabilities. The flanged design allows for easy mounting and alignment within various mechanical assemblies. These bearings are typically used to accommodate angular misalignments and are ideal for applications requiring smooth sliding motion and reduced friction. The addition of nickel and aluminum to the bronze composition improves the bearing’s strength, corrosion resistance, and overall performance. The lubricating bushes are integrated into the design to ensure continuous lubrication and long service life, making them suitable for high-load and high-wear applications.

Nickel-tin bronze C94700 is an outstanding alloy choice for bearings and bushings, offering a robust set of properties and performance features:

Key Features of C94700 for Bearings and Bushings:

  • Composition: C94700 comprises 85-90% copper, 4.5-6% tin, 4.5-6% nickel, with minor amounts of zinc, iron, and other elements.

Mechanical Properties:

  • Tensile Strength: Minimum 45 ksi (310 MPa)
  • Yield Strength: Minimum 20 ksi (138 MPa)
  • Elongation: Minimum 25%
  • Typical Brinell Hardness: 85 BHN

Applications: C94700 is widely used for manufacturing wear-resistant components such as:

Performance Characteristics:

  • Machinability: Good, rated 30 out of 100
  • Solderability and Brazing: Excellent
  • Weldability: Good with gas-shielded arc and coated metal arc welding

Physical Properties:

  • Density: 0.32 lb/in³ (8.86 g/cm³)
  • Melting Point Range: 1660-1880°F (904-1027°C)
  • Thermal Conductivity: 31.2 Btu/sq ft/ft hr/°F at 68°F (54 W/m at 20°C)

The blend of strength, wear resistance, and advantageous fabrication qualities makes C94700 nickel-tin bronze highly suitable for bearing and bushing applications in various industrial environments where sustained performance and durability are essential.

Materials (can be customized)

Tin Bronze

USA: ASTM B105, ASTM B584

China: QSn4-4-2.5, QSn4-4-4

ISO 427: CuSn4Pb4Zn3

Germany: DIN 17662

UK: BS 2870: CuSn4Zn4Pb

France: NFA51-108

Japan: JIS H3110: C5441

Aluminum Bronze

USA: C61900, C62300, C63000, C63280

China: QAl9-4, QAl10-3-1.5, QAl10-4-4, QAl10-5-5

ISO: CuAl10Fe3, CuAl10Fe3Mn2, CuAl9Fe4Ni4

Germany: DIN 17662: CuAl10Fe3, CuAl10Ni5Fe4

UK: BS 2870: CA103, CA105, CA104

France: NFA51-108

Russia: ГOCT 5017: БpAЖ9-4, БpAMц10-3-1.5, БpAЖH10-4-4

Japan: JIS H3110: C6161, C6301

Leaded Tin Bronze

USA: C93200, C93700, C93800, C94300, C94310

China: ZCuSn6Zn3Pb6, ZCuPb10Sn10, CPb15Sn8, CuPb20Sn5

ISO: G-CuPb10Sn, G-CuPb15Sn

Germany: DIN 17662: LB2, LB1, LB5

UK: BS 2870: CuSn10Pb10

France: NFA51-108

Russia: ГOCT 5017: БpO10Ц10, БpO5C25

Brass

USA: C85500, C86200, C86300, C86500, C86700, C86800, C85400, C85700, C87400

China: ZCuZn38, ZCuZn26Al4Fe3Mn3, ZCuZn25Al6Fe3Mn3, ZCuZn35Al2Mn2Fe1, ZCuZn38Mn2Pb2, ZCuZn40MN3Fe1, ZCuZn33Pb2, ZCuZn40Pb2, ZCuZn16Si4

ISO: GCuZn26Al4Fe3Mn3, CuZn25Al6Fe3Mn3, Graphite Bushing Bearing With Copper Base Strengthening Brass CuZn25Al6Fe3Mn3 Material, CuZn35AlFeMn, CuZn40Pb, CuZn33Pb2, CuZn35AlFeMn, CuZn16Si4

Germany: DIN 17662: G-CuZn38Al, G-CuZn25Al5, G-CuZn35Al2, G-CuZn37Pb, G-CuZn15Si4

UK: BS 2870: DCB1, HTB3, HTB1, PCB1, SCB3

France: NFA51-108

C95410 Aluminum bronze Alloy

C95410 Aluminum bronze Alloy

Continuous cast Aluminum bronze is the highest strength standard copper based alloy.

C94700 and C94800 are both nickel-tin bronze alloys with similar overall compositions, yet they exhibit distinct differences that make them suitable for different applications:

Lead Content:

  • C94700: Contains a maximum lead content of 0.09%.
  • C94800: Features a higher lead content ranging from 0.3 to 1.0%.

Zinc Content:

  • Both alloys have zinc in their composition, but while C94700 has a broader range of 1.00-2.50%, C94800 maintains a consistent range of 1.0 to 2.5%.

Mechanical Properties:

  • C94700: Offers a minimum tensile strength of 45 ksi (310 MPa) and a yield strength of 20 ksi (138 MPa).
  • C94800: Displays a higher yield strength of 23 ksi (160 MPa).

Elongation:

  • C94700: Has a minimum elongation of 25%.
  • C94800: Shows a slightly lower elongation at 22%.

Thermal Conductivity:

  • C94700: Possesses a thermal conductivity of 31.2 Btu/sq ft/ft hr/°F at 68°F (54 W/m at 20°C).
  • C94800: Has a slightly higher thermal conductivity of 39 W/m-K (23 BTU/h-ft-°F).

Machinability:

  • C94700 is rated with a machinability of 30.
  • C94800: While not specifically rated in the provided information, it likely offers better machinability due to its higher lead content.

Applications:

  • C94700 is commonly utilized in components such as bearings, feeding mechanisms, gears, piston cylinders, and valve parts.
  • C94800 is primarily formulated for casting applications, indicating a preference for this alloy in scenarios where moldability and durability under heat are crucial.

These variances in composition and physical properties position C94700 and C94800 as optimally suited for slightly different applications, with C94800 particularly favored for cast components and potentially providing enhanced machinability due to its elevated lead content.

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