UNS C44500


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UNS C44500 alloys are a type of brass-copper alloys with phosphorized feature. It is also known as admiralty brass. These alloys have good corrosion resistance and cold workability. The following datasheet will provide details about UNS C44500 phosphorized brass-copper alloys.

Chemical Composition

The following table shows the chemical composition of UNS C44500 phosphorized brass-copper alloys.

Element Content (%)
Cu 71
Sn 1
Zn 28

Physical Properties

The physical properties of UNS C44500 phosphorized brass-copper alloys are outlined in the following table.

Properties Metric Imperial
Density 8.53 g/cm³ 0.308 lb/in³

Mechanical Properties

The mechanical properties UNS C44500 phosphorized brass-copper alloys are tabulated below.

Properties Metric Imperial
Tensile strength 331-379 MPa 48000-55000 psi
Yield strength (depending on temper) 124-152 MPa 18000-22000 psi
Elongation at break (in 0 mm) 65% 65%
Creep strength (@425°C, time 3.60e+6 sec/797°F, time 1000 hr, 0.0001) 0.370 MPa 53.7 psi
Elastic modulus 117 GPa 17000 ksi
Poisson’s ratio 0.34 0.34
Charpy impact 82.4 J 60.8 ft lb
Fatigue strength (@# of cycles 1.00e+7,@# of cycles 1.00e+7, source does not state temper) 115-125 MPa 16700-18100 psi
Machinability (UNS C36000 (free-cutting brass) = 100) 30 30
Shear modulus 40.0 GPa 5800 ksi

UNS C44500