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C28000 Muntz Metal vs. C82700 Copper

Both C28000 Muntz Metal and C82700 copper are copper alloys. They have 61% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 10 to 45
1.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 330 to 610
1200
Tensile Strength: Yield (Proof), MPa 150 to 370
1020

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
300
Melting Completion (Liquidus), °C 900
950
Melting Onset (Solidus), °C 900
860
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
20
Electrical Conductivity: Equal Weight (Specific), % IACS 31
21

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
21
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
4260
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11 to 21
38
Strength to Weight: Bending, points 13 to 20
29
Thermal Diffusivity, mm2/s 40
39
Thermal Shock Resistance, points 11 to 20
41

Alloy Composition


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Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 59 to 63
94.6 to 96.7
Iron (Fe), % 0 to 0.070
0 to 0.25
Lead (Pb), % 0 to 0.3
0 to 0.020
Nickel (Ni), % 0
1.0 to 1.5
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 36.3 to 41
0 to 0.1
Residuals, % 0 to 0.3
0 to 0.5