UNS C86700 Leaded Manganese Bronze
Bronze
Property Overview
Density7.9g/cm³
Elastic Modulus110GPa
Tensile Strength630MPa
Yield Strength250MPa
Brinell HardnessUnknown
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 1.0%
MN
1.0 to 3.5%
CU
55 to 60%
AL
1.0 to 3.0%
PB
0.5 to 1.5%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SN
0 to 1.5%
ZN
30 to 38%
FE
1.0 to 3.0%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
17 %
Poisson's Ratio
0.31
Shear Modulus
41 GPa
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
250 MPa
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
180 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
880 °C
Melting Onset (Solidus)
860 °C
Specific Heat Capacity
400 J/kg-K
Thermal Conductivity
89 W/m-K
Thermal Diffusivity
28 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
17 % IACS
Electrical Conductivity: Equal Weight (Specific)
19 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
86 MJ/m 3
Resilience: Unit (Modulus of Resilience)
290 kJ/m 3
Stiffness to Weight: Axial
7.5 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.9 kg CO 2 /kg material
Embodied Energy
49 MJ/kg
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
340 L/kg
Embodied Water
340 L/kg 40 gal/lb
Registered Designations & Aliases
C86700UNS C86700 Leaded Manganese 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 Copper: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001