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Grade C-5 Titanium vs. ASTM A266 Carbon Steel

Grade C-5 titanium belongs to the titanium alloys classification, while ASTM A266 carbon steel belongs to the iron alloys. There are 30 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 C-5 titanium and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.7
21 to 26
Fatigue Strength, MPa 510
170 to 200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 1000
500 to 600
Tensile Strength: Yield (Proof), MPa 940
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
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
51 to 52
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
1.4
Embodied Energy, MJ/kg 610
18 to 19
Embodied Water, L/kg 200
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
110
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
18 to 21
Strength to Weight: Bending, points 50
18 to 20
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 71
16 to 19