UNS C48500 Leaded Naval Brass
Brass
O50 (light annealed)
Property Overview
Density8.1g/cm³
Elastic Modulus100GPa
Tensile Strength440MPa
Yield Strength190MPa
Brinell HardnessUnknown
Maximum Service Temperature120°C
Chemical Composition
CU
59 to 62%
PB
1.3 to 2.2%
RES.
Residuals res. | | 0 to 0.4%
RESIDUALS RES.
0 to 0.4%
SN
0.5 to 1.0%
ZN
34.3 to 39.2%
FE
0 to 0.1%
Mechanical
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
21 %
Poisson's Ratio
0.31
Shear Modulus
39 GPa
Shear Strength
270 MPa
Tensile Strength: Ultimate (UTS)
440 MPa
Tensile Strength: Yield (Proof)
190 MPa
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
120 °C
Melting Completion (Liquidus)
900 °C
Melting Onset (Solidus)
890 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
38 mm 2 /s
Thermal Expansion
21 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
26 % IACS
Electrical Conductivity: Equal Weight (Specific)
29 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
74 MJ/m 3
Resilience: Unit (Modulus of Resilience)
170 kJ/m 3
Stiffness to Weight: Axial
7.1 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
15 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
330 L/kg
Embodied Water
330 L/kg 39 gal/lb
Registered Designations & Aliases
C48500UNS C48500 Leaded Naval Brass
Standards
ASTM B124 ASTM B124: Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes
ASTM B21 ASTM B21: Standard Specification for Naval Brass Rod, Bar, and Shapes
ASTM B21 ASTM B21: Standard Specification for Naval Brass Rod, Bar, and Shapes ASTM B124: Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes ASTM B283: Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)
ASTM B283 ASTM B283: Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)