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C28000 Muntz Metal vs. C17465 Copper

Both C28000 Muntz Metal and C17465 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 C17465 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 10 to 45
5.3 to 36
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 55 to 78
44 to 110
Shear Modulus, GPa 40
44
Shear Strength, MPa 230 to 330
210 to 540
Tensile Strength: Ultimate (UTS), MPa 330 to 610
310 to 930
Tensile Strength: Yield (Proof), MPa 150 to 370
120 to 830

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
210
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
220
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
22 to 51
Electrical Conductivity: Equal Weight (Specific), % IACS 31
23 to 52

Otherwise Unclassified Properties

Base Metal Price, % relative 23
45
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 46
64
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
47 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
64 to 2920
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11 to 21
9.7 to 29
Strength to Weight: Bending, points 13 to 20
11 to 24
Thermal Diffusivity, mm2/s 40
64
Thermal Shock Resistance, points 11 to 20
11 to 33

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.15 to 0.5
Copper (Cu), % 59 to 63
95.7 to 98.7
Iron (Fe), % 0 to 0.070
0 to 0.2
Lead (Pb), % 0 to 0.3
0.2 to 0.6
Nickel (Ni), % 0
1.0 to 1.4
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 36.3 to 41
0
Zirconium (Zr), % 0
0 to 0.5
Residuals, % 0
0 to 0.5