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Grade 1 Titanium vs. EN AC-44300 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-44300 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN AC-44300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
68
Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 28
1.1
Fatigue Strength, MPa 170
100
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 310
270
Tensile Strength: Yield (Proof), MPa 220
150

Thermal Properties

Latent Heat of Fusion, J/g 420
570
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
590
Melting Onset (Solidus), °C 1610
580
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 20
130
Thermal Expansion, µm/m-K 8.8
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.5
Embodied Carbon, kg CO2/kg material 31
7.7
Embodied Energy, MJ/kg 510
140
Embodied Water, L/kg 110
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 230
150
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 35
55
Strength to Weight: Axial, points 19
29
Strength to Weight: Bending, points 23
36
Thermal Diffusivity, mm2/s 8.2
58
Thermal Shock Resistance, points 24
13

Alloy Composition

Aluminum (Al), % 0
84.3 to 89.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 1.0
Manganese (Mn), % 0
0 to 0.55
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
10.5 to 13.5
Titanium (Ti), % 99.095 to 100
0 to 0.15
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.25