UNS C93700 Leaded Tin Bronze
Bronze
Property Overview
Density8.9g/cm³
Elastic Modulus99GPa
Tensile Strength240MPa
Yield Strength130MPa
Brinell HardnessUnknown
Maximum Service Temperature140°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 1.5%
S
0 to 0.080%
CU
78 to 82%
AL
0 to 0.0050%
PB
8.0 to 11%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SB
0 to 0.5%
SN
9.0 to 11%
ZN
0 to 0.8%
FE
0 to 0.15%
Mechanical
Compressive (Crushing) Strength
210 MPa
Elastic (Young's, Tensile) Modulus
99 GPa
Elongation at Break
20 %
Fatigue Strength
90 MPa
Impact Strength: V-Notched Charpy
15 J
Poisson's Ratio
0.35
Shear Modulus
37 GPa
Tensile Strength: Ultimate (UTS)
240 MPa
Tensile Strength: Yield (Proof)
130 MPa
Hardness
Rockwell B Hardness
60
Physical
Density
8.9 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
140 °C
Melting Completion (Liquidus)
930 °C
Melting Onset (Solidus)
760 °C
Solidification (Pattern Maker's) Shrinkage
1.1 %
Specific Heat Capacity
350 J/kg-K
Thermal Conductivity
47 W/m-K
Thermal Diffusivity
15 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
9.4 points
Electrical
Electrical Conductivity: Equal Volume
10 % IACS
Electrical Conductivity: Equal Weight (Specific)
10 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
40 MJ/m 3
Resilience: Unit (Modulus of Resilience)
79 kJ/m 3
Stiffness to Weight: Axial
6.2 points
Stiffness to Weight: Bending
17 points
Strength to Weight: Axial
7.5 points
Strength to Weight: Bending
9.6 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
3.5 kg CO 2 /kg material
Embodied Energy
57 MJ/kg
Embodied Energy
57 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
390 L/kg
Embodied Water
390 L/kg 47 gal/lb
Registered Designations & Aliases
C93700UNS C93700 Leaded Tin Bronze