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Grade 27 Titanium vs. ASTM A283 Carbon Steel

Grade 27 titanium belongs to the titanium alloys classification, while ASTM A283 carbon 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 27 titanium and the bottom bar is ASTM A283 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
26 to 34
Fatigue Strength, MPa 170
150 to 190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 180
240 to 310
Tensile Strength: Ultimate (UTS), MPa 270
360 to 480
Tensile Strength: Yield (Proof), MPa 230
180 to 260

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 21
51 to 53
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 530
18
Embodied Water, L/kg 320
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
91 to 180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
13 to 17
Strength to Weight: Bending, points 21
14 to 17
Thermal Diffusivity, mm2/s 8.8
14
Thermal Shock Resistance, points 21
11 to 15