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C95800/AB2 - Aluminium Bronze Casting Alloy

ASTM B148 UNS C95800 is a very strong nickel aluminium bronze alloy. Its general properties are that it has good castability, high strength and has an outstanding corrosion resistance due to a tough oxide film. Aluminium bronze can also be heat treated to further increase its seawater corrosion properties and thus it is particularly useful for seawater service.  Shock and wear resistance is also excellent and it is also easy to machine.

C95800 is weldable and also has very good levels of thermal and electrical conductivity. Additionally C95800 retains its strength and ductility at low temperatures.

Common applications of C95800 are in marine environments with the material being used for seawater valves and ship components and in industrial environments with the material commonly being used for valve bodies, gears and propeller blades among many other things.

ASTM B148 - C95800

Chemical Composition

                      %

Copper         79.0 min     

Aluminium   8.5-9.5

Nickel          4.0-5.0

Iron              3.5-4.5

Manganese   0.8-1.5

Lead              0.03 max

Silicon           0.10 max


C95800 Mechanical Properties

Tensile Strength min   585 Mpa

Yield Strength min      240 Mpa

Elongation in 2 inche  15.00%

AB2 Chemical Composition

                      %

Copper         max

Lead              max

Silicon           

Iron              max

Titanium      max

Manganese   max

Nickel          max

Aluminium  


AB2 Mechanical Properties

Tensile Strength     

Hardness, Brinell         

Elongation at break

Other B148 alloys available on request