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AWS ERNiCu-7 vs. C64800 Bronze

AWS ERNiCu-7 belongs to the nickel alloys classification, while C64800 bronze belongs to the copper alloys. They have a modest 29% 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 (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
120
Elongation at Break, % 34
8.0
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 61
44
Tensile Strength: Ultimate (UTS), MPa 550
640

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Melting Completion (Liquidus), °C 1280
1090
Melting Onset (Solidus), °C 1240
1030
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 20
260
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
65
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
66

Otherwise Unclassified Properties

Base Metal Price, % relative 50
33
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 120
43
Embodied Water, L/kg 250
310

Common Calculations

Stiffness to Weight: Axial, points 10
7.4
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 5.3
75
Thermal Shock Resistance, points 19
23

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 18.3 to 36.5
92.4 to 98.8
Iron (Fe), % 0 to 2.5
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0 to 1.3
0.2 to 1.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.5
Titanium (Ti), % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5