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AWS ERTi-1 vs. Titanium 6-2-4-2

Both AWS ERTi-1 and titanium 6-2-4-2 are titanium alloys. They have 86% of their average alloy composition in common. There are 29 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 AWS ERTi-1 and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 24
8.6
Fatigue Strength, MPa 120
490
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 240
950
Tensile Strength: Yield (Proof), MPa 170
880

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
300
Melting Completion (Liquidus), °C 1670
1590
Melting Onset (Solidus), °C 1620
1540
Specific Heat Capacity, J/kg-K 540
540
Thermal Conductivity, W/m-K 21
6.9
Thermal Expansion, µm/m-K 8.7
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
42
Density, g/cm3 4.5
4.6
Embodied Carbon, kg CO2/kg material 31
32
Embodied Energy, MJ/kg 510
520
Embodied Water, L/kg 110
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
79
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
34
Strength to Weight: Axial, points 15
57
Strength to Weight: Bending, points 19
46
Thermal Diffusivity, mm2/s 8.7
2.8
Thermal Shock Resistance, points 19
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.050
Hydrogen (H), % 0 to 0.0050
0 to 0.015
Iron (Fe), % 0 to 0.080
0 to 0.25
Molybdenum (Mo), % 0
1.8 to 2.2
Nitrogen (N), % 0 to 0.012
0 to 0.050
Oxygen (O), % 0.030 to 0.1
0 to 0.15
Silicon (Si), % 0
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 99.773 to 99.97
83.7 to 87.2
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4