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Silicon aluminum bronze combines the self-lubricity of the silicon with the higher mechanical properties of aluminum bronze. C64200 silicon aluminum bronze is free-machining and has good anti-galling and anti-seizing properties.

We are coveted firm engaged in manufacturing, supplying and exporting to our customers an excellent assortment of Aluminium Bronze Bushes. These products are commonly used as impeller or bushes as these are free from porosity or blow holes.


  • High tolerance level
  • Accurate dimensions
  • Resistant to heat & Chemicals

C63600 Silicon Aluminum Bronze

Min/Max3.0 – 4.00.15Rem0. –

C64200, C642 Silicon Aluminum Bronze (AMS 4634)

C64200 Silicon Aluminum Bronze is an engineering alloy at least as resistant to corrosion as copper itself, but much stronger. CDA 642 bronze is manufactured mostly in the form of round, hexagonal, and octagonal rods for hot forming and free machining. C642 is considered to be of the best valve stem alloys. Other applications include gears, marine hardware, nuts, pole line hardware, and valve bodies and components.

EU Designation : CuAl7Si2, CW302G, ASTM B150, ASTM B249, QQ-C-465, AMS 4634, SAE J461, SAE J463

Min/Max6.3 – 7.60.15Rem0. –

Applications for Silicon Aluminum Bronze :

  • ELECTRICAL : Pole Line Hardware
  • FASTENERS : Bolts, Nuts
  • INDUSTRIAL : Valve Components, Valve Bodies, Gears, Valve Stems, Cams and Forged machined components.
  • AUTOMOTIVE: Gear Parts, Strut Bushings, Rock Bit Bearing Bushings, Valve Guides, Safety Belt Assemblies
  • MARINE : Hardware