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C28000 Muntz Metal vs. C18700 Copper

Both C28000 Muntz Metal and C18700 copper are copper alloys. They have 61% 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 C28000 Muntz Metal and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 10 to 45
9.0 to 9.6
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 230 to 330
170 to 190
Tensile Strength: Ultimate (UTS), MPa 330 to 610
290 to 330
Tensile Strength: Yield (Proof), MPa 150 to 370
230 to 250

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
950
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
98
Electrical Conductivity: Equal Weight (Specific), % IACS 31
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
240 to 280
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11 to 21
9.0 to 10
Strength to Weight: Bending, points 13 to 20
11 to 12
Thermal Diffusivity, mm2/s 40
110
Thermal Shock Resistance, points 11 to 20
10 to 12

Alloy Composition

Copper (Cu), % 59 to 63
98 to 99.2
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.3
0.8 to 1.5
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0
0 to 0.5

Comparable Variants