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Grade 32 Titanium vs. Titanium 4-4-2

Both grade 32 titanium and titanium 4-4-2 are titanium alloys. They have a very high 95% 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 grade 32 titanium and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
10
Fatigue Strength, MPa 390
590 to 620
Poisson's Ratio 0.32
0.32
Reduction in Area, % 28
20
Shear Modulus, GPa 40
42
Shear Strength, MPa 460
690 to 750
Tensile Strength: Ultimate (UTS), MPa 770
1150 to 1250
Tensile Strength: Yield (Proof), MPa 670
1030 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 310
310
Melting Completion (Liquidus), °C 1610
1610
Melting Onset (Solidus), °C 1560
1560
Specific Heat Capacity, J/kg-K 550
540
Thermal Conductivity, W/m-K 7.5
6.7
Thermal Expansion, µm/m-K 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 38
39
Density, g/cm3 4.5
4.7
Embodied Carbon, kg CO2/kg material 32
30
Embodied Energy, MJ/kg 530
480
Embodied Water, L/kg 180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
4700 to 5160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
34
Strength to Weight: Axial, points 47
68 to 74
Strength to Weight: Bending, points 41
52 to 55
Thermal Diffusivity, mm2/s 3.0
2.6
Thermal Shock Resistance, points 63
86 to 93

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
3.0 to 5.0
Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.2
Molybdenum (Mo), % 0.6 to 1.2
3.0 to 5.0
Nitrogen (N), % 0 to 0.030
0 to 0.050
Oxygen (O), % 0 to 0.11
0 to 0.25
Silicon (Si), % 0.060 to 0.14
0.3 to 0.7
Tin (Sn), % 0.6 to 1.4
1.5 to 2.5
Titanium (Ti), % 88.1 to 93
85.8 to 92.2
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0 to 0.4