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6262 Aluminum vs. C90500 Gun Metal

6262 aluminum belongs to the aluminum alloys classification, while C90500 gun metal belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 6262 aluminum and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.6 to 10
20
Fatigue Strength, MPa 90 to 110
90
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 290 to 390
320
Tensile Strength: Yield (Proof), MPa 270 to 360
160

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 580
850
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 170
75
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
35
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
54
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
110
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 48
18
Strength to Weight: Axial, points 29 to 39
10
Strength to Weight: Bending, points 35 to 42
12
Thermal Diffusivity, mm2/s 69
23
Thermal Shock Resistance, points 13 to 18
12

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Bismuth (Bi), % 0.4 to 0.7
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0.4 to 0.7
0 to 0.3
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.4 to 0.8
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
1.0 to 3.0
Residuals, % 0
0 to 0.3