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Grade 2 Titanium vs. ASTM A266 Carbon Steel

Grade 2 titanium belongs to the titanium alloys classification, while ASTM A266 carbon steel belongs to the iron alloys. There are 32 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 2 titanium and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
21 to 26
Fatigue Strength, MPa 250
170 to 200
Poisson's Ratio 0.32
0.29
Reduction in Area, % 37
34 to 43
Shear Modulus, GPa 38
73
Shear Strength, MPa 270
320 to 380
Tensile Strength: Ultimate (UTS), MPa 420
500 to 600
Tensile Strength: Yield (Proof), MPa 360
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 22
51 to 52
Thermal Expansion, µm/m-K 9.0
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18 to 19
Embodied Water, L/kg 110
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
18 to 21
Strength to Weight: Bending, points 28
18 to 20
Thermal Diffusivity, mm2/s 8.9
14
Thermal Shock Resistance, points 32
16 to 19