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ASTM B817 Type II vs. 712.0 Aluminum

ASTM B817 type II belongs to the titanium alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 3.0 to 13
4.5 to 4.7
Fatigue Strength, MPa 390 to 530
140 to 180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 900 to 960
250 to 260
Tensile Strength: Yield (Proof), MPa 780 to 900
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 350
190
Melting Completion (Liquidus), °C 1580
640
Melting Onset (Solidus), °C 1530
610
Specific Heat Capacity, J/kg-K 550
870
Thermal Expansion, µm/m-K 9.9
24

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.6
3.0
Embodied Carbon, kg CO2/kg material 40
8.0
Embodied Energy, MJ/kg 650
150
Embodied Water, L/kg 220
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
11
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
240 to 270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
46
Strength to Weight: Axial, points 55 to 58
24 to 25
Strength to Weight: Bending, points 45 to 47
30 to 31
Thermal Shock Resistance, points 62 to 66
11

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
90.7 to 94
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0.35 to 1.0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.5
Magnesium (Mg), % 0
0.5 to 0.65
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0 to 0.3
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0.15 to 0.25
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
5.0 to 6.5
Residuals, % 0
0 to 0.2