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C28000 Muntz Metal vs. C87700 Bronze

Both C28000 Muntz Metal and C87700 bronze are copper alloys. They have 69% 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 C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 10 to 45
3.6
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 330 to 610
300
Tensile Strength: Yield (Proof), MPa 150 to 370
120

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
980
Melting Onset (Solidus), °C 900
900
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
45
Electrical Conductivity: Equal Weight (Specific), % IACS 31
48

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
64
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11 to 21
9.8
Strength to Weight: Bending, points 13 to 20
12
Thermal Diffusivity, mm2/s 40
34
Thermal Shock Resistance, points 11 to 20
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 59 to 63
87.5 to 90.5
Iron (Fe), % 0 to 0.070
0 to 0.5
Lead (Pb), % 0 to 0.3
0 to 0.090
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 36.3 to 41
7.0 to 9.0
Residuals, % 0
0 to 0.8