UNS C94300 (Alloy 3E) Soft Bronze
Bronze
Property Overview
Density9.3g/cm³
Elastic Modulus87GPa
Tensile Strength180MPa
Yield Strength120MPa
Brinell HardnessUnknown
Maximum Service Temperature110°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 1.5%
S
0 to 0.080%
CU
67 to 72%
AL
0 to 0.0050%
PB
23 to 27%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SB
0 to 0.8%
SN
4.5 to 6.0%
ZN
0 to 0.8%
FE
0 to 0.15%
Mechanical
Elastic (Young's, Tensile) Modulus
87 GPa
Elongation at Break
9.7 %
Poisson's Ratio
0.36
Shear Modulus
32 GPa
Tensile Strength: Ultimate (UTS)
180 MPa
Tensile Strength: Yield (Proof)
120 MPa
Physical
Density
9.3 g/cm 3
Thermal
Latent Heat of Fusion
150 J/g
Maximum Temperature: Mechanical
110 °C
Melting Completion (Liquidus)
820 °C
Melting Onset (Solidus)
760 °C
Specific Heat Capacity
320 J/kg-K
Thermal Conductivity
63 W/m-K
Thermal Diffusivity
21 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
7.1 points
Electrical
Electrical Conductivity: Equal Volume
9.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
15 MJ/m 3
Resilience: Unit (Modulus of Resilience)
77 kJ/m 3
Stiffness to Weight: Axial
5.2 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
28 % relative
Embodied Carbon
2.9 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
370 L/kg
Embodied Water
370 L/kg 44 gal/lb
Registered Designations & Aliases
Alloy 3EC94300UNS C94300 (Alloy 3E) Soft Bronze
Standards
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings ASTM B505: Standard Specification for Copper Alloy Continuous Castings
ASTM B505 ASTM B505: Standard Specification for Copper Alloy Continuous Castings