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771.0 Aluminum vs. ASTM B817 Type I

771.0 aluminum belongs to the aluminum alloys classification, while ASTM B817 type I belongs to the titanium 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.

For each property being compared, the top bar is 771.0 aluminum and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 1.7 to 6.5
4.0 to 13
Fatigue Strength, MPa 92 to 180
360 to 520
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 250 to 370
770 to 960
Tensile Strength: Yield (Proof), MPa 210 to 350
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 630
1600
Melting Onset (Solidus), °C 620
1550
Specific Heat Capacity, J/kg-K 870
560
Thermal Conductivity, W/m-K 140 to 150
7.1
Thermal Expansion, µm/m-K 24
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 3.0
4.4
Embodied Carbon, kg CO2/kg material 8.0
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1130
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
2310 to 3540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 23 to 35
48 to 60
Strength to Weight: Bending, points 29 to 39
42 to 49
Thermal Diffusivity, mm2/s 54 to 58
2.9
Thermal Shock Resistance, points 11 to 16
54 to 68

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.15
0 to 0.4
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 0 to 0.15
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Titanium (Ti), % 0.1 to 0.2
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0
0 to 0.4