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Titanium 6-2-4-2 vs. ASTM A356 Grade 2

Titanium 6-2-4-2 belongs to the titanium alloys classification, while ASTM A356 grade 2 belongs to the iron 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 titanium 6-2-4-2 and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.6
25
Fatigue Strength, MPa 490
200
Poisson's Ratio 0.32
0.29
Reduction in Area, % 21
39
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 950
510
Tensile Strength: Yield (Proof), MPa 880
270

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 300
410
Melting Completion (Liquidus), °C 1590
1470
Melting Onset (Solidus), °C 1540
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 6.9
51
Thermal Expansion, µm/m-K 9.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.4
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 32
1.5
Embodied Energy, MJ/kg 520
20
Embodied Water, L/kg 210
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
18
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.8
14
Thermal Shock Resistance, points 67
15

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
97.7 to 99.55
Manganese (Mn), % 0
0 to 0.7
Molybdenum (Mo), % 1.8 to 2.2
0.45 to 0.65
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.060 to 0.12
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0