UNS C93400 Leaded Tin Bronze
Bronze
Property Overview
Density8.9g/cm³
Elastic Modulus100GPa
Tensile Strength270MPa
Yield Strength150MPa
Brinell HardnessUnknown
Maximum Service Temperature150°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 1.5%
S
0 to 0.080%
CU
82 to 85%
AL
0 to 0.0050%
PB
7.0 to 9.0%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SB
0 to 0.5%
SN
7.0 to 9.0%
ZN
0 to 0.8%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
9.1 %
Poisson's Ratio
0.35
Shear Modulus
38 GPa
Tensile Strength: Ultimate (UTS)
270 MPa
Tensile Strength: Yield (Proof)
150 MPa
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
180 J/g
Maximum Temperature: Mechanical
150 °C
Melting Completion (Liquidus)
950 °C
Melting Onset (Solidus)
850 °C
Specific Heat Capacity
350 J/kg-K
Thermal Conductivity
58 W/m-K
Thermal Diffusivity
18 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
10 points
Electrical
Electrical Conductivity: Equal Volume
12 % IACS
Electrical Conductivity: Equal Weight (Specific)
12 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
21 MJ/m 3
Resilience: Unit (Modulus of Resilience)
120 kJ/m 3
Stiffness to Weight: Axial
6.3 points
Stiffness to Weight: Bending
17 points
Strength to Weight: Axial
8.3 points
Strength to Weight: Bending
10 points
Environmental
Base Metal Price
32 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
54 MJ/kg
Embodied Energy
54 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
380 L/kg
Embodied Water
380 L/kg 45 gal/lb
Registered Designations & Aliases
C93400UNS C93400 Leaded Tin Bronze
Standards
ASTM B505 ASTM B505: Standard Specification for Copper Alloy Continuous Castings