UNS C69700 Leaded Silicon Brass
Brass
Property Overview
Density8.3g/cm³
Elastic Modulus110GPa
Tensile Strength470MPa
Yield Strength230MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
MN
0 to 0.4%
SI
2.5 to 3.5%
CU
75 to 80%
PB
0.5 to 1.5%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
13.9 to 22%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
25 %
Poisson's Ratio
0.32
Shear Modulus
41 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
470 MPa
Tensile Strength: Yield (Proof)
230 MPa
Physical
Density
8.3 g/cm 3
Thermal
Latent Heat of Fusion
240 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
930 °C
Melting Onset (Solidus)
880 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
43 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
16 points
Calculated
Resilience: Ultimate (Unit Rupture Work)
99 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
26 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
44 MJ/kg
Embodied Energy
44 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C69700UNS C69700 Leaded Silicon Brass
Standards
ASTM B371 ASTM B371: Standard Specification for Copper-Zinc-Silicon Alloy Rod