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C28500 Muntz Metal vs. C15900 Copper

Both C28500 Muntz Metal and C15900 copper are copper alloys. They have 58% of their average alloy composition in common.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
6.5
Poisson's Ratio 0.3
0.34
Rockwell B Hardness 150
95
Shear Modulus, GPa 40
43
Shear Strength, MPa 320
420
Tensile Strength: Ultimate (UTS), MPa 520
720
Tensile Strength: Yield (Proof), MPa 380
240

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 890
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 100
280
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
48
Electrical Conductivity: Equal Weight (Specific), % IACS 33
49

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
37
Resilience: Unit (Modulus of Resilience), kJ/m3 700
260
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 33
80
Thermal Shock Resistance, points 17
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0
0.27 to 0.33
Copper (Cu), % 57 to 59
97.5 to 97.9
Iron (Fe), % 0 to 0.35
0 to 0.040
Lead (Pb), % 0 to 0.25
0
Oxygen (O), % 0
0.4 to 0.54
Titanium (Ti), % 0
0.66 to 0.74
Zinc (Zn), % 39.5 to 43
0
Residuals, % 0 to 0.9
0