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C28500 Muntz Metal vs. C86300 Bronze

Both C28500 Muntz Metal and C86300 bronze are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
14
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 520
850
Tensile Strength: Yield (Proof), MPa 380
480

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 100
35
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 33
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 700
1030
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 18
30
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 33
11
Thermal Shock Resistance, points 17
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 57 to 59
60 to 66
Iron (Fe), % 0 to 0.35
2.0 to 4.0
Lead (Pb), % 0 to 0.25
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 39.5 to 43
22 to 28
Residuals, % 0 to 0.9
0 to 1.0