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C28500 Muntz Metal vs. C91700 Bronze

Both C28500 Muntz Metal and C91700 bronze are copper alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
13
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 520
330
Tensile Strength: Yield (Proof), MPa 380
170

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 900
1020
Melting Onset (Solidus), °C 890
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 100
71
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
10
Electrical Conductivity: Equal Weight (Specific), % IACS 33
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 46
63
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
35
Resilience: Unit (Modulus of Resilience), kJ/m3 700
140
Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 18
11
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 33
22
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 57 to 59
84.2 to 87.5
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0 to 0.25
0 to 0.25
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Zinc (Zn), % 39.5 to 43
0 to 0.25
Residuals, % 0 to 0.9
0