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C28500 Muntz Metal vs. C87300 Bronze

Both C28500 Muntz Metal and C87300 bronze are copper alloys. They have 59% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 20
22
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 520
350
Tensile Strength: Yield (Proof), MPa 380
140

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 100
28
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 33
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
62
Resilience: Unit (Modulus of Resilience), kJ/m3 700
86
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
11
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 33
8.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Copper (Cu), % 57 to 59
94 to 95.7
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0 to 0.25
0 to 0.2
Manganese (Mn), % 0
0.8 to 1.5
Silicon (Si), % 0
3.5 to 5.0
Zinc (Zn), % 39.5 to 43
0 to 0.25
Residuals, % 0
0 to 0.5