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C36500 Muntz Metal vs. C86300 Bronze

Both C36500 Muntz Metal and C86300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common. There are 28 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 C36500 Muntz Metal and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
14
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 400
850
Tensile Strength: Yield (Proof), MPa 160
480

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 32
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1030
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 14
30
Strength to Weight: Bending, points 15
25
Thermal Diffusivity, mm2/s 40
11
Thermal Shock Resistance, points 13
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 58 to 61
60 to 66
Iron (Fe), % 0 to 0.15
2.0 to 4.0
Lead (Pb), % 0.25 to 0.7
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 37.5 to 41.8
22 to 28
Residuals, % 0 to 0.4
0 to 1.0