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CC491K Bronze vs. AWS ENiCu-7

CC491K bronze belongs to the copper alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. They have a modest 30% 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 CC491K bronze and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
62
Tensile Strength: Ultimate (UTS), MPa 260
550

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Melting Completion (Liquidus), °C 980
1270
Melting Onset (Solidus), °C 900
1230
Specific Heat Capacity, J/kg-K 370
430
Thermal Conductivity, W/m-K 71
21
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 15
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
50
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.1
8.0
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 350
250

Common Calculations

Stiffness to Weight: Axial, points 6.7
10
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 8.1
17
Strength to Weight: Bending, points 10
17
Thermal Diffusivity, mm2/s 22
5.5
Thermal Shock Resistance, points 9.3
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.75
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 81 to 87
20.6 to 38
Iron (Fe), % 0 to 0.3
0 to 2.5
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0 to 2.0
62 to 69
Phosphorus (P), % 0 to 0.1
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 1.5
Sulfur (S), % 0 to 0.1
0 to 0.015
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.5