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Grade 2 Titanium vs. Austenitic Nodular Cast Iron

Grade 2 titanium belongs to the titanium alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 110
180 to 190
Elongation at Break, % 23
6.8 to 34
Poisson's Ratio 0.32
0.29 to 0.3
Shear Modulus, GPa 38
70 to 72
Tensile Strength: Ultimate (UTS), MPa 420
430 to 500
Tensile Strength: Yield (Proof), MPa 360
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 420
280 to 350
Melting Completion (Liquidus), °C 1660
1340 to 1400
Melting Onset (Solidus), °C 1610
1300 to 1360
Specific Heat Capacity, J/kg-K 540
470 to 490
Thermal Expansion, µm/m-K 9.0
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
16 to 25
Density, g/cm3 4.5
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 31
3.5 to 4.9
Embodied Energy, MJ/kg 510
48 to 68
Embodied Water, L/kg 110
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 600
98 to 160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24 to 25
Strength to Weight: Axial, points 26
15 to 18
Strength to Weight: Bending, points 28
16 to 18
Thermal Shock Resistance, points 32
12 to 15