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C28000 Muntz Metal vs. C86800 Bronze

Both C28000 Muntz Metal and C86800 bronze are copper alloys. They have 90% of their average alloy composition in common. There are 26 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 C28000 Muntz Metal and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 10 to 45
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 330 to 610
570
Tensile Strength: Yield (Proof), MPa 150 to 370
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 900
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
310
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 11 to 21
20
Strength to Weight: Bending, points 13 to 20
19
Thermal Shock Resistance, points 11 to 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 59 to 63
53.5 to 57
Iron (Fe), % 0 to 0.070
1.0 to 2.5
Lead (Pb), % 0 to 0.3
0 to 0.2
Manganese (Mn), % 0
2.5 to 4.0
Nickel (Ni), % 0
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 36.3 to 41
28.3 to 40.5
Residuals, % 0
0 to 1.0