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AWS ERNiCu-7 vs. C28500 Muntz Metal

AWS ERNiCu-7 belongs to the nickel alloys classification, while C28500 Muntz Metal belongs to the copper 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 AWS ERNiCu-7 and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 18.3 to 36.5
57 to 59
Iron (Fe), % 0 to 2.5
0 to 0.35
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
0
Zinc (Zn), % 0
39.5 to 43
Residuals, % 0
0 to 0.9