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Grade 24 Titanium vs. ASTM A514 Steel

Grade 24 titanium belongs to the titanium alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
18 to 21
Fatigue Strength, MPa 550
470 to 540
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 610
490 to 520
Tensile Strength: Ultimate (UTS), MPa 1010
790 to 830
Tensile Strength: Yield (Proof), MPa 940
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 410
250 to 260
Maximum Temperature: Mechanical, °C 340
400 to 440
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
37 to 51
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3 to 8.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 43
1.6 to 1.8
Embodied Energy, MJ/kg 710
21 to 25
Embodied Water, L/kg 310
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
1280 to 1590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
28 to 29
Strength to Weight: Bending, points 50
24 to 25
Thermal Diffusivity, mm2/s 2.9
10 to 14
Thermal Shock Resistance, points 72
23 to 24