UNS C94500 Medium Bronze
Bronze
Property Overview
Density9.3g/cm³
Elastic Modulus92GPa
Tensile Strength170MPa
Yield Strength83MPa
Brinell Hardness50HB
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 0.050%
S
0 to 0.080%
CU
66.7 to 78%
AL
0 to 0.0050%
PB
16 to 22%
SB
0 to 0.8%
SN
6.0 to 8.0%
ZN
0 to 1.2%
FE
0 to 0.15%
Mechanical
Elastic (Young's, Tensile) Modulus
92 GPa
Elongation at Break
12 %
Poisson's Ratio
0.36
Shear Modulus
34 GPa
Tensile Strength: Ultimate (UTS)
170 MPa
Tensile Strength: Yield (Proof)
83 MPa
Hardness
Brinell Hardness
50
Physical
Density
9.3 g/cm 3
Thermal
Latent Heat of Fusion
160 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
940 °C
Melting Onset (Solidus)
800 °C
Specific Heat Capacity
330 J/kg-K
Thermal Conductivity
52 W/m-K
Thermal Diffusivity
17 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
6.7 points
Electrical
Electrical Conductivity: Equal Volume
10 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.7 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
17 MJ/m 3
Resilience: Unit (Modulus of Resilience)
37 kJ/m 3
Stiffness to Weight: Axial
5.5 points
Stiffness to Weight: Bending
16 points
Strength to Weight: Axial
5.2 points
Strength to Weight: Bending
7.4 points
Environmental
Base Metal Price
30 % relative
Embodied Carbon
3.2 kg CO 2 /kg material
Embodied Energy
51 MJ/kg
Embodied Energy
51 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
380 L/kg
Embodied Water
380 L/kg 46 gal/lb
Registered Designations & Aliases
C94500UNS C94500 Medium Bronze
Standards
ASTM B66 ASTM B66: Standard Specification for Bronze Castings for Steam Locomotive Wearing Parts