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AWS ERTi-12 vs. R56401 Titanium

Both AWS ERTi-12 and R56401 titanium are titanium alloys. They have 90% 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-12 and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 12
9.1
Fatigue Strength, MPa 200
480
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 480
940
Tensile Strength: Yield (Proof), MPa 340
850

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
340
Melting Completion (Liquidus), °C 1670
1610
Melting Onset (Solidus), °C 1620
1560
Specific Heat Capacity, J/kg-K 540
560
Thermal Conductivity, W/m-K 21
7.1
Thermal Expansion, µm/m-K 8.7
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 31
38
Embodied Energy, MJ/kg 510
610
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
83
Resilience: Unit (Modulus of Resilience), kJ/m3 550
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 30
59
Strength to Weight: Bending, points 30
48
Thermal Diffusivity, mm2/s 8.7
2.9
Thermal Shock Resistance, points 37
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.080
Hydrogen (H), % 0 to 0.0080
0 to 0.012
Iron (Fe), % 0 to 0.15
0 to 0.25
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0
Nitrogen (N), % 0 to 0.015
0 to 0.050
Oxygen (O), % 0.080 to 0.16
0 to 0.13
Titanium (Ti), % 99.147 to 99.66
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5