UNS C86400 Leaded Manganese Bronze
Bronze
Property Overview
Density7.9g/cm³
Elastic Modulus100GPa
Tensile Strength470MPa
Yield Strength150MPa
Brinell HardnessUnknown
Maximum Service Temperature120°C
Chemical Composition
NI
0 to 1.0%
MN
0.1 to 1.0%
CU
56 to 62%
AL
0.5 to 1.5%
PB
0.5 to 1.5%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SN
0.5 to 1.5%
ZN
34 to 42%
FE
0.4 to 2.0%
Mechanical
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
17 %
Poisson's Ratio
0.31
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
470 MPa
Tensile Strength: Yield (Proof)
150 MPa
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
120 °C
Melting Completion (Liquidus)
880 °C
Melting Onset (Solidus)
860 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
88 W/m-K
Thermal Diffusivity
29 mm 2 /s
Thermal Expansion
21 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
19 % IACS
Electrical Conductivity: Equal Weight (Specific)
22 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
63 MJ/m 3
Resilience: Unit (Modulus of Resilience)
110 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
16 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
48 MJ/kg
Embodied Energy
48 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
330 L/kg
Embodied Water
330 L/kg 40 gal/lb
Registered Designations & Aliases
C86400UNS C86400 Leaded Manganese Bronze
Standards
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings