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6351 Aluminum vs. C97800 Nickel Silver

6351 aluminum belongs to the aluminum alloys classification, while C97800 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 6351 aluminum and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
130
Elongation at Break, % 7.8 to 18
10
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
48
Tensile Strength: Ultimate (UTS), MPa 140 to 310
370
Tensile Strength: Yield (Proof), MPa 95 to 270
170

Thermal Properties

Latent Heat of Fusion, J/g 410
220
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 650
1180
Melting Onset (Solidus), °C 570
1140
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
25
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 150
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.3
5.1
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 38
31
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 540
120
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 14 to 32
12
Strength to Weight: Bending, points 22 to 38
13
Thermal Diffusivity, mm2/s 72
7.3
Thermal Shock Resistance, points 6.1 to 14
13

Alloy Composition

Aluminum (Al), % 96 to 98.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.1
64 to 67
Iron (Fe), % 0 to 0.5
0 to 1.5
Lead (Pb), % 0
1.0 to 2.5
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 0.8
0
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.7 to 1.3
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 5.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
1.0 to 4.0
Residuals, % 0
0 to 0.4