UNS C68800 Aluminum Brass
Brass
OS015 (annealed to 0.015mm grain size)
Property Overview
Density8.2g/cm³
Elastic Modulus110GPa
Tensile Strength570MPa
Yield Strength390MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
CU
70.8 to 75.5%
AL
3.0 to 3.8%
CO
0.25 to 0.55%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
21.3 to 24.1%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
36 %
Poisson's Ratio
0.32
Shear Modulus
41 GPa
Shear Strength
380 MPa
Tensile Strength: Ultimate (UTS)
570 MPa
Tensile Strength: Yield (Proof)
390 MPa
Hardness
Rockwell B Hardness
81
Rockwell Superficial 30T Hardness
71
Physical
Density
8.2 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
960 °C
Melting Onset (Solidus)
950 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
12 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
18 % IACS
Electrical Conductivity: Equal Weight (Specific)
20 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
710 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
26 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
48 MJ/kg
Embodied Energy
48 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
350 L/kg
Embodied Water
350 L/kg 42 gal/lb
Registered Designations & Aliases
C68800UNS C68800 Aluminum Brass