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Grade 6 Titanium vs. ASTM A514 Steel

Grade 6 titanium belongs to the titanium alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 30 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 6 titanium and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
18 to 21
Fatigue Strength, MPa 290
470 to 540
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
490 to 520
Tensile Strength: Ultimate (UTS), MPa 890
790 to 830
Tensile Strength: Yield (Proof), MPa 840
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 410
250 to 260
Maximum Temperature: Mechanical, °C 310
400 to 440
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
37 to 51
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.3 to 3.8
Density, g/cm3 4.5
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 30
1.6 to 1.8
Embodied Energy, MJ/kg 480
21 to 25
Embodied Water, L/kg 190
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
1280 to 1590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
28 to 29
Strength to Weight: Bending, points 46
24 to 25
Thermal Diffusivity, mm2/s 3.2
10 to 14
Thermal Shock Resistance, points 65
23 to 24