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CR020A Copper vs. C28000 Muntz Metal

Both CR020A copper and C28000 Muntz Metal are copper alloys. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
10 to 45
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
330 to 610
Tensile Strength: Yield (Proof), MPa 130
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1040
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
31

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 76
110 to 670
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
11 to 21
Strength to Weight: Bending, points 9.0
13 to 20
Thermal Diffusivity, mm2/s 110
40
Thermal Shock Resistance, points 7.8
11 to 20

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
59 to 63
Iron (Fe), % 0
0 to 0.070
Lead (Pb), % 0 to 0.0050
0 to 0.3
Phosphorus (P), % 0.0010 to 0.0060
0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
36.3 to 41
Residuals, % 0
0 to 0.3