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C18900 Copper vs. C28500 Muntz Metal

Both C18900 copper and C28500 Muntz Metal are copper alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C18900 copper and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 14 to 48
20
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
40
Shear Strength, MPa 190 to 300
320
Tensile Strength: Ultimate (UTS), MPa 260 to 500
520
Tensile Strength: Yield (Proof), MPa 67 to 390
380

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1080
900
Melting Onset (Solidus), °C 1020
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
29
Electrical Conductivity: Equal Weight (Specific), % IACS 30
33

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 95
94
Resilience: Unit (Modulus of Resilience), kJ/m3 20 to 660
700
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.2 to 16
18
Strength to Weight: Bending, points 10 to 16
18
Thermal Diffusivity, mm2/s 38
33
Thermal Shock Resistance, points 9.3 to 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 97.7 to 99.15
57 to 59
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0 to 0.020
0 to 0.25
Manganese (Mn), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.15 to 0.4
0
Tin (Sn), % 0.6 to 0.9
0
Zinc (Zn), % 0 to 0.1
39.5 to 43
Residuals, % 0
0 to 0.9