UNS C87200 Silicon Bronze
Bronze
Property Overview
Density8.6g/cm³
Elastic Modulus110GPa
Tensile Strength380MPa
Yield Strength170MPa
Brinell Hardness85HB
Maximum Service Temperature200°C
Chemical Composition
MN
0 to 1.5%
SI
1.0 to 5.0%
P
0 to 0.5%
CU
89 to 99%
AL
0 to 1.5%
PB
0 to 0.5%
SN
0 to 1.0%
ZN
0 to 5.0%
FE
0 to 2.5%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
30 %
Poisson's Ratio
0.34
Shear Modulus
43 GPa
Tensile Strength: Ultimate (UTS)
380 MPa
Tensile Strength: Yield (Proof)
170 MPa
Hardness
Brinell Hardness
85
Physical
Density
8.6 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
200 °C
Melting Completion (Liquidus)
970 °C
Melting Onset (Solidus)
860 °C
Specific Heat Capacity
410 J/kg-K
Thermal Conductivity
28 W/m-K
Thermal Diffusivity
8.0 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
6.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
6.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
93 MJ/m 3
Resilience: Unit (Modulus of Resilience)
130 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
12 points
Strength to Weight: Bending
14 points
Environmental
Base Metal Price
29 % 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
C87200UNS C87200 Silicon Bronze