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C28500 Muntz Metal vs. C94900 Bronze

Both C28500 Muntz Metal and C94900 bronze are copper alloys. They have 64% 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 C28500 Muntz Metal and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
17
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 520
300
Tensile Strength: Yield (Proof), MPa 380
130

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 900
980
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
14
Electrical Conductivity: Equal Weight (Specific), % IACS 33
14

Otherwise Unclassified Properties

Base Metal Price, % relative 22
32
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
55
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
41
Resilience: Unit (Modulus of Resilience), kJ/m3 700
72
Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 18
9.4
Strength to Weight: Bending, points 18
11
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 57 to 59
79 to 81
Iron (Fe), % 0 to 0.35
0 to 0.3
Lead (Pb), % 0 to 0.25
4.0 to 6.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 39.5 to 43
4.0 to 6.0
Residuals, % 0
0 to 0.8