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C28500 Muntz Metal vs. C22000 Bronze

Both C28500 Muntz Metal and C22000 bronze are copper alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
1.9 to 45
Poisson's Ratio 0.3
0.33
Rockwell B Hardness 150
42 to 81
Shear Modulus, GPa 40
42
Shear Strength, MPa 320
200 to 300
Tensile Strength: Ultimate (UTS), MPa 520
260 to 520
Tensile Strength: Yield (Proof), MPa 380
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 900
1040
Melting Onset (Solidus), °C 890
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 100
190
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
44
Electrical Conductivity: Equal Weight (Specific), % IACS 33
45

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 700
21 to 1110
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 18
8.1 to 17
Strength to Weight: Bending, points 18
10 to 17
Thermal Diffusivity, mm2/s 33
56
Thermal Shock Resistance, points 17
8.8 to 18

Alloy Composition

Copper (Cu), % 57 to 59
89 to 91
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.050
Zinc (Zn), % 39.5 to 43
8.7 to 11
Residuals, % 0
0 to 0.2