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C36500 Muntz Metal vs. C94800 Bronze

Both C36500 Muntz Metal and C94800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% 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 C36500 Muntz Metal and the bottom bar is C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
22
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 400
310
Tensile Strength: Yield (Proof), MPa 160
160

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 900
1030
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
12
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
58
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14
9.8
Strength to Weight: Bending, points 15
12
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 58 to 61
84 to 89
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 0.25 to 0.7
0.3 to 1.0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.25
4.5 to 6.0
Zinc (Zn), % 37.5 to 41.8
1.0 to 2.5
Residuals, % 0
0 to 1.3