UNS C67300 Leaded Manganese Bronze
Brass
Property Overview
Density8g/cm³
Elastic Modulus110GPa
Tensile Strength500MPa
Yield Strength340MPa
Brinell HardnessUnknown
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 0.25%
MN
2.0 to 3.5%
SI
0.5 to 1.5%
CU
58 to 63%
AL
0 to 0.25%
PB
0.4 to 3.0%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SN
0 to 0.3%
ZN
27.2 to 39.1%
FE
0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
12 %
Poisson's Ratio
0.31
Shear Modulus
41 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
500 MPa
Tensile Strength: Yield (Proof)
340 MPa
Hardness
Rockwell B Hardness
91
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
870 °C
Melting Onset (Solidus)
830 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
95 W/m-K
Thermal Diffusivity
30 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
22 % IACS
Electrical Conductivity: Equal Weight (Specific)
25 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
55 MJ/m 3
Resilience: Unit (Modulus of Resilience)
550 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
320 L/kg
Embodied Water
320 L/kg 38 gal/lb
Registered Designations & Aliases
C67300UNS C67300 Leaded Manganese Bronze