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C28000 Muntz Metal vs. C15900 Copper

Both C28000 Muntz Metal and C15900 copper are copper alloys. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is C28000 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, % 10 to 45
6.5
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 55 to 78
95
Shear Modulus, GPa 40
43
Shear Strength, MPa 230 to 330
420
Tensile Strength: Ultimate (UTS), MPa 330 to 610
720
Tensile Strength: Yield (Proof), MPa 150 to 370
240

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 900
1030
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
280
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
48
Electrical Conductivity: Equal Weight (Specific), % IACS 31
49

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
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 27 to 240
37
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
260
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11 to 21
23
Strength to Weight: Bending, points 13 to 20
20
Thermal Diffusivity, mm2/s 40
80
Thermal Shock Resistance, points 11 to 20
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0
0.27 to 0.33
Copper (Cu), % 59 to 63
97.5 to 97.9
Iron (Fe), % 0 to 0.070
0 to 0.040
Lead (Pb), % 0 to 0.3
0
Oxygen (O), % 0
0.4 to 0.54
Titanium (Ti), % 0
0.66 to 0.74
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0 to 0.3
0