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C28000 Muntz Metal vs. C19000 Copper

Both C28000 Muntz Metal and C19000 copper are copper alloys. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C19000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 10 to 45
2.5 to 50
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 55 to 78
45 to 94
Shear Modulus, GPa 40
43
Shear Strength, MPa 230 to 330
170 to 390
Tensile Strength: Ultimate (UTS), MPa 330 to 610
260 to 760
Tensile Strength: Yield (Proof), MPa 150 to 370
140 to 630

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
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
250
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
60
Electrical Conductivity: Equal Weight (Specific), % IACS 31
61

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
18 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
89 to 1730
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11 to 21
8.2 to 24
Strength to Weight: Bending, points 13 to 20
10 to 21
Thermal Diffusivity, mm2/s 40
73
Thermal Shock Resistance, points 11 to 20
9.3 to 27

Alloy Composition

Copper (Cu), % 59 to 63
96.9 to 99
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0 to 0.3
0 to 0.050
Nickel (Ni), % 0
0.9 to 1.3
Phosphorus (P), % 0
0.15 to 0.35
Zinc (Zn), % 36.3 to 41
0 to 0.8
Residuals, % 0
0 to 0.5