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Grade 32 Titanium vs. ASTM A216 Cast Steel

Grade 32 titanium belongs to the titanium alloys classification, while ASTM A216 cast steel belongs to the iron alloys. There are 30 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 32 titanium and the bottom bar is ASTM A216 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
25 to 27
Fatigue Strength, MPa 390
170 to 230
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
39
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 770
500 to 570
Tensile Strength: Yield (Proof), MPa 670
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
Melting Completion (Liquidus), °C 1610
1450 to 1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.5
49 to 52
Thermal Expansion, µm/m-K 8.2
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.1 to 7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 38
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
1.4
Embodied Energy, MJ/kg 530
18
Embodied Water, L/kg 180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
140 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
18 to 20
Strength to Weight: Bending, points 41
18 to 20
Thermal Diffusivity, mm2/s 3.0
13 to 14
Thermal Shock Resistance, points 63
16 to 18