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705.0 Aluminum vs. 295.0 Aluminum

Both 705.0 aluminum and 295.0 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62 to 65
60 to 93
Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 8.4 to 10
2.0 to 7.2
Fatigue Strength, MPa 63 to 98
44 to 55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 240 to 260
230 to 280
Tensile Strength: Yield (Proof), MPa 130
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
530
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.3
Specific Heat Capacity, J/kg-K 890
880
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
5.2 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
77 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 24 to 26
21 to 26
Strength to Weight: Bending, points 31 to 32
27 to 32
Thermal Diffusivity, mm2/s 55
54
Thermal Shock Resistance, points 11
9.8 to 12

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
91.4 to 95.3
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
4.0 to 5.0
Iron (Fe), % 0 to 0.8
0 to 1.0
Magnesium (Mg), % 1.4 to 1.8
0 to 0.030
Manganese (Mn), % 0 to 0.6
0 to 0.35
Silicon (Si), % 0 to 0.2
0.7 to 1.5
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 3.3
0 to 0.35
Residuals, % 0
0 to 0.15