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Grade 6 Titanium vs. ASTM A285 Carbon Steel

Grade 6 titanium belongs to the titanium alloys classification, while ASTM A285 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 6 titanium and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
30 to 34
Fatigue Strength, MPa 290
150 to 180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
250 to 290
Tensile Strength: Ultimate (UTS), MPa 890
380 to 450
Tensile Strength: Yield (Proof), MPa 840
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
Melting Completion (Liquidus), °C 1580
1470
Melting Onset (Solidus), °C 1530
1420 to 1430
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
53
Thermal Expansion, µm/m-K 9.4
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
94 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
13 to 16
Strength to Weight: Bending, points 46
15 to 17
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 65
12 to 14