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C954
Aluminum Bronze Hollow Bar
C95400
Overview
C95400 is a heat-treatable aluminum bronze offering high strength, excellent wear resistance, and superior corrosion resistance — especially in marine and chemical environments. It provides approximately twice the strength of SAE 660 bearing bronze while maintaining good machinability. C954 is widely used for heavy-duty bearings, gears, valve components, and marine hardware where strength and corrosion resistance are critical.
Chemical Composition
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 83.00% | — |
| Aluminum (Al) | 10.00% | 11.50% |
| Iron (Fe) | 3.00% | 5.00% |
| Nickel (Ni) | — | 1.50% |
| Manganese (Mn) | — | 0.50% |
Alloy Designations
UNSC95400
ASTMB505, B148
TypeAluminum Bronze
Mechanical Properties
Tensile Strength (as-cast)75 ksi (517 MPa) min
Yield Strength (as-cast)30 ksi (207 MPa) min
Tensile Strength (HT)90 ksi (620 MPa) min
Yield Strength (HT)45 ksi (310 MPa) min
Elongation12% min (as-cast)
Hardness170 HB (as-cast), 195 HB (HT)
Physical Properties
Density7.53 g/cm³ (0.272 lb/in³)
Melting Point1,027–1,043°C (1,880–1,910°F)
Electrical Conductivity13% IACS
Thermal Conductivity58.7 W/m·K
Typical Applications
- Heavy-duty bearings and bushings
- Gears and worm wheels
- Marine propeller hubs
- Valve seats and guides
- Pump components for corrosive media
- Landing gear components
Fabrication & Joining
- Heat treatable for increased strength
- Good machinability
- Weldable with aluminum bronze filler
- Excellent corrosion resistance in seawater
- Available in round, rectangle, and tube
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