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Grade 6 Titanium vs. ASTM A266 Carbon Steel

Grade 6 titanium belongs to the titanium alloys classification, while ASTM A266 carbon steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
21 to 26
Fatigue Strength, MPa 290
170 to 200
Poisson's Ratio 0.32
0.29
Reduction in Area, % 27
34 to 43
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
320 to 380
Tensile Strength: Ultimate (UTS), MPa 890
500 to 600
Tensile Strength: Yield (Proof), MPa 840
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
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
51 to 52
Thermal Expansion, µm/m-K 9.4
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
18 to 19
Embodied Water, L/kg 190
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
18 to 21
Strength to Weight: Bending, points 46
18 to 20
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 65
16 to 19