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Titanium 15-3-3-3 vs. ASTM A302 Alloy Steel

Titanium 15-3-3-3 belongs to the titanium alloys classification, while ASTM A302 alloy steel belongs to the iron alloys. 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 titanium 15-3-3-3 and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 5.7 to 8.0
20 to 23
Fatigue Strength, MPa 610 to 710
250 to 280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 660 to 810
370 to 390
Tensile Strength: Ultimate (UTS), MPa 1120 to 1390
590 to 620
Tensile Strength: Yield (Proof), MPa 1100 to 1340
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 520
470
Thermal Conductivity, W/m-K 8.1
39 to 51
Thermal Expansion, µm/m-K 9.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 40
2.4 to 3.0
Density, g/cm3 4.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 59
1.5 to 1.6
Embodied Energy, MJ/kg 950
20 to 21
Embodied Water, L/kg 260
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 89
110 to 120
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 64 to 80
21 to 22
Strength to Weight: Bending, points 50 to 57
20 to 21
Thermal Diffusivity, mm2/s 3.2
10 to 14
Thermal Shock Resistance, points 79 to 98
17 to 18