UNS C87700 Silicon Bronze
Bronze
Property Overview
Density8.5g/cm³
Elastic Modulus110GPa
Tensile Strength300MPa
Yield Strength120MPa
Brinell HardnessUnknown
Maximum Service Temperature180°C
Chemical Composition
NI
0 to 0.25%
MN
0 to 0.8%
SI
2.5 to 3.5%
P
0 to 0.15%
CU
87.5 to 90.5%
PB
0 to 0.090%
RES.
Residuals res. | | 0 to 0.8%
RESIDUALS RES.
0 to 0.8%
SB
0 to 0.1%
SN
0 to 2.0%
ZN
7.0 to 9.0%
FE
0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
3.6 %
Poisson's Ratio
0.33
Shear Modulus
42 GPa
Tensile Strength: Ultimate (UTS)
300 MPa
Tensile Strength: Yield (Proof)
120 MPa
Physical
Density
8.5 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
980 °C
Melting Onset (Solidus)
900 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
34 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
11 points
Electrical
Electrical Conductivity: Equal Volume
45 % IACS
Electrical Conductivity: Equal Weight (Specific)
48 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
8.6 MJ/m 3
Resilience: Unit (Modulus of Resilience)
64 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
9.8 points
Strength to Weight: Bending
12 points
Environmental
Base Metal Price
29 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
45 MJ/kg
Embodied Energy
45 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C87700UNS C87700 Silicon Bronze