UNS C86300 Manganese Bronze
Bronze
Property Overview
Density7.8g/cm³
Elastic Modulus110GPa
Tensile Strength850MPa
Yield Strength480MPa
Brinell Hardness250HB
Maximum Service Temperature160°C
Chemical Composition
NI
0 to 1.0%
MN
2.5 to 5.0%
CU
60 to 66%
AL
5.0 to 7.5%
PB
0 to 0.2%
RES.
Residuals res. | | 0 to 1.0%
RESIDUALS RES.
0 to 1.0%
SN
0 to 0.2%
ZN
22 to 28%
FE
2.0 to 4.0%
Mechanical
Compressive (Crushing) Strength
430 MPa
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
14 %
Poisson's Ratio
0.32
Shear Modulus
42 GPa
Tensile Strength: Ultimate (UTS)
850 MPa
Tensile Strength: Yield (Proof)
480 MPa
Hardness
Brinell Hardness
250
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
200 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
920 °C
Melting Onset (Solidus)
890 °C
Specific Heat Capacity
420 J/kg-K
Thermal Conductivity
35 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
28 points
Electrical
Electrical Conductivity: Equal Volume
8.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.2 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1030 kJ/m 3
Stiffness to Weight: Axial
7.8 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
30 points
Strength to Weight: Bending
25 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
3.0 kg CO 2 /kg material
Embodied Energy
51 MJ/kg
Embodied Energy
51 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
360 L/kg
Embodied Water
360 L/kg 43 gal/lb
Registered Designations & Aliases
C86300UNS C86300 Manganese Bronze
Standards
ASTM B22 ASTM B22: Standard Specification for Bronze Castings for Bridges and Turntables
ASTM B22 ASTM B22: Standard Specification for Bronze Castings for Bridges and Turntables ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings ASTM B505: Standard Specification for Copper Alloy Continuous Castings
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings
ASTM B505 ASTM B505: Standard Specification for Copper Alloy Continuous Castings