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C28500 Muntz Metal vs. AWS ERNiCu-7

C28500 Muntz Metal belongs to the copper alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
160
Elongation at Break, % 20
34
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 40
61
Tensile Strength: Ultimate (UTS), MPa 520
550

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 900
1280
Melting Onset (Solidus), °C 890
1240
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 100
20
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 33
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
50
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 46
120
Embodied Water, L/kg 320
250

Common Calculations

Stiffness to Weight: Axial, points 7.3
10
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 33
5.3
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 57 to 59
18.3 to 36.5
Iron (Fe), % 0 to 0.35
0 to 2.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Zinc (Zn), % 39.5 to 43
0
Residuals, % 0
0 to 0.5