UNS C93500 (Alloy 3C) Leaded Tin Bronze
Bronze
Property Overview
Density9g/cm³
Elastic Modulus100GPa
Tensile Strength220MPa
Yield Strength110MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 1.5%
S
0 to 0.080%
CU
83 to 86%
AL
0 to 0.0050%
PB
8.0 to 10%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SB
0 to 0.3%
SN
4.3 to 6.0%
ZN
0 to 2.0%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
15 %
Poisson's Ratio
0.35
Shear Modulus
38 GPa
Tensile Strength: Ultimate (UTS)
220 MPa
Tensile Strength: Yield (Proof)
110 MPa
Physical
Density
9.0 g/cm 3
Thermal
Latent Heat of Fusion
180 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
1000 °C
Melting Onset (Solidus)
850 °C
Specific Heat Capacity
360 J/kg-K
Thermal Conductivity
70 W/m-K
Thermal Diffusivity
22 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
8.5 points
Electrical
Electrical Conductivity: Equal Volume
15 % IACS
Electrical Conductivity: Equal Weight (Specific)
15 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
28 MJ/m 3
Resilience: Unit (Modulus of Resilience)
59 kJ/m 3
Stiffness to Weight: Axial
6.3 points
Stiffness to Weight: Bending
17 points
Strength to Weight: Axial
6.9 points
Strength to Weight: Bending
9.1 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
3.0 kg CO 2 /kg material
Embodied Energy
49 MJ/kg
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
350 L/kg
Embodied Water
350 L/kg 42 gal/lb
Registered Designations & Aliases
Alloy 3CC93500UNS C93500 (Alloy 3C) Leaded Tin 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