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Grade C-6 Titanium vs. ASTM A216 Cast Steel

Grade C-6 titanium belongs to the titanium alloys classification, while ASTM A216 cast steel belongs to the iron alloys. There are 29 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-6 titanium and the bottom bar is ASTM A216 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 9.0
25 to 27
Fatigue Strength, MPa 460
170 to 230
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
72
Tensile Strength: Ultimate (UTS), MPa 890
500 to 570
Tensile Strength: Yield (Proof), MPa 830
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
Melting Completion (Liquidus), °C 1580
1450 to 1460
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
49 to 52
Thermal Expansion, µm/m-K 9.8
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.1 to 7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2 to 8.3

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
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
140 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
18 to 20
Strength to Weight: Bending, points 46
18 to 20
Thermal Diffusivity, mm2/s 3.2
13 to 14
Thermal Shock Resistance, points 63
16 to 18