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EN AC-42100 Aluminum vs. ASTM B817 Type II

EN AC-42100 aluminum belongs to the aluminum alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 3.4 to 9.0
3.0 to 13
Fatigue Strength, MPa 76 to 82
390 to 530
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 280 to 290
900 to 960
Tensile Strength: Yield (Proof), MPa 210 to 230
780 to 900

Thermal Properties

Latent Heat of Fusion, J/g 500
400
Maximum Temperature: Mechanical, °C 170
350
Melting Completion (Liquidus), °C 610
1580
Melting Onset (Solidus), °C 600
1530
Specific Heat Capacity, J/kg-K 910
550
Thermal Expansion, µm/m-K 22
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
4.6
Embodied Carbon, kg CO2/kg material 8.0
40
Embodied Energy, MJ/kg 150
650
Embodied Water, L/kg 1110
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
26 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
2890 to 3890
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
34
Strength to Weight: Axial, points 30 to 31
55 to 58
Strength to Weight: Bending, points 37 to 38
45 to 47
Thermal Shock Resistance, points 13
62 to 66

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
5.0 to 6.0
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.19
0.35 to 1.0
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0 to 0.25
82.1 to 87.8
Vanadium (V), % 0
5.0 to 6.0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4