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C37000 Muntz Metal vs. C86200 Bronze

Both C37000 Muntz Metal and C86200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% 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 C37000 Muntz Metal and the bottom bar is C86200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
21
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 400
710
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
540
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 13
23

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.9
Copper (Cu), % 59 to 62
60 to 66
Iron (Fe), % 0 to 0.15
2.0 to 4.0
Lead (Pb), % 0.8 to 1.5
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 36 to 40.2
22 to 28
Residuals, % 0
0 to 1.0