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C28500 Muntz Metal vs. C81400 Copper

Both C28500 Muntz Metal and C81400 copper are copper alloys. They have 58% 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 C28500 Muntz Metal and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 20
11
Poisson's Ratio 0.3
0.34
Rockwell B Hardness 150
69
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 520
370
Tensile Strength: Yield (Proof), MPa 380
250

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 100
260
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
60
Electrical Conductivity: Equal Weight (Specific), % IACS 33
61

Otherwise Unclassified Properties

Base Metal Price, % relative 22
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
36
Resilience: Unit (Modulus of Resilience), kJ/m3 700
260
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 18
11
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 33
75
Thermal Shock Resistance, points 17
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 57 to 59
98.4 to 99.38
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0 to 0.25
0
Zinc (Zn), % 39.5 to 43
0
Residuals, % 0
0 to 0.5