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C36500 Muntz Metal vs. C94500 Bronze

Both C36500 Muntz Metal and C94500 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 (3, in this case) are not shown.

For each property being compared, the top bar is C36500 Muntz Metal and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
92
Elongation at Break, % 40
12
Poisson's Ratio 0.3
0.36
Shear Modulus, GPa 39
34
Tensile Strength: Ultimate (UTS), MPa 400
170
Tensile Strength: Yield (Proof), MPa 160
83

Thermal Properties

Latent Heat of Fusion, J/g 170
160
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 890
800
Specific Heat Capacity, J/kg-K 390
330
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
10
Electrical Conductivity: Equal Weight (Specific), % IACS 32
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
9.3
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
17
Resilience: Unit (Modulus of Resilience), kJ/m3 120
37
Stiffness to Weight: Axial, points 7.2
5.5
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 14
5.2
Strength to Weight: Bending, points 15
7.4
Thermal Diffusivity, mm2/s 40
17
Thermal Shock Resistance, points 13
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 58 to 61
66.7 to 78
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 0.25 to 0.7
16 to 22
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.25
6.0 to 8.0
Zinc (Zn), % 37.5 to 41.8
0 to 1.2
Residuals, % 0 to 0.4
0