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C37000 Muntz Metal vs. C95200 Bronze

Both C37000 Muntz Metal and C95200 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 C37000 Muntz Metal and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
29
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 400
520
Tensile Strength: Yield (Proof), MPa 160
190

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 900
1050
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 380
430
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 30
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
50
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
170
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
17
Strength to Weight: Bending, points 15
17
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0
8.5 to 9.5
Copper (Cu), % 59 to 62
86 to 89
Iron (Fe), % 0 to 0.15
2.5 to 4.0
Lead (Pb), % 0.8 to 1.5
0
Zinc (Zn), % 36 to 40.2
0
Residuals, % 0
0 to 1.0