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C95900 Aluminum Bronze available from Dura-Bar Metal Services. #

Aluminum Bronze C95900 (C959)

C95900 Aluminum Bronze is characterized by its high strength and excellent corrosion resistance. Uses for the alloy include a variety of heavy duty mechanical and structural products including gears, worm drives, valve guides and seats. C95900 is an excellent heavy duty bearing alloy, but does not tolerate misalignment or dirty lubricants and generally should be used against hardened steel shafts, with both shaft and bearing machined to fine surface finishes.

Also known as: CDA 959, ASTM B-505 Alloy C95900

Chemical Composition
Cu% Sn% Pb% Zn% Fe% Ni% Sb% P% S% AI% Mn% Si%
Rem. N/A N/A N/A 3.00-
0.50 N/A N/A N/A 12.00-
1.50 N/A

Typical Uses:

Gears, worm drives

Aluminum Bronze Properties 

Mechanical - Aluminum Bronze
Tensile Strength, min N/A N/A
Yield Strength @ .5% ext under load min N/A N/A
Elongation in 2 in. or 50 mm min, % N/A
Brinell Hardness, min 241 (3000 kg)
Machinability Rating N/A
Physical - Aluminum Bronze
  US Customary Metric
Melting Point-Liquidus N/A N/A
Melting Point-Solidus N/A N/A
Density 0.255 (lb/cu in.) N/A
Specific Gravity N/A N/A
Electrical Resistivity N/A N/A
Electrical Conductivity N/A N/A
Thermal Conductivity N/A N/A
Coefficient of
Thermal Expansion
Specific Heat Capacity N/A N/A
Modulus of Elasticity
in Tension
Magnetic Permeability N/A N/A
Fabrication - Aluminum Bronze
Joining Technique Suitability
Soldering N/A
Brazing N/A
Oxyacetylene Welding N/A
Gas Shielded Arc Welding N/A
Coated Metal Arc Welding N/A