UNS C44300


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The following datasheet will provide more details about UNS C44300 brass alloys.

Chemical Composition

The following table shows the chemical composition of UNS C44300 brass alloys.

Element Content (%)
Cu 71
Sn 1
Zn 28

Physical Properties

The physical properties of the UNS C44300 brass 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 C44300 brass 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
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
Elastic modulus 117 GPa 17000 ksi
Poisson’s ratio 0.34 0.34
Machinability (UNS C36000 (free-cutting brass) = 100) 30 30
Shear modulus 40.0 GPa 5800 ksi

Thermal Properties

The thermal properties UNS C43500 brass alloys are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-300°C/68-572°F) 20.2 µm/m°C 11.2 µin/in°F
Thermal conductivity (@20°C/ 68°F) 110 W/mK 763 BTU in/hr.ft².°F

UNS C44300