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C28000 Muntz Metal vs. C87300 Bronze

Both C28000 Muntz Metal and C87300 bronze are copper alloys. They have 61% 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 C28000 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, % 10 to 45
22
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 330 to 610
350
Tensile Strength: Yield (Proof), MPa 150 to 370
140

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 31
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
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 27 to 240
62
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
86
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11 to 21
11
Strength to Weight: Bending, points 13 to 20
13
Thermal Diffusivity, mm2/s 40
8.0
Thermal Shock Resistance, points 11 to 20
13

Alloy Composition

Copper (Cu), % 59 to 63
94 to 95.7
Iron (Fe), % 0 to 0.070
0 to 0.2
Lead (Pb), % 0 to 0.3
0 to 0.2
Manganese (Mn), % 0
0.8 to 1.5
Silicon (Si), % 0
3.5 to 5.0
Zinc (Zn), % 36.3 to 41
0 to 0.25
Residuals, % 0
0 to 0.5