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Grade 16 Titanium vs. Austempered Cast Iron

Grade 16 titanium belongs to the titanium alloys classification, while austempered cast iron belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 16 titanium and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 23
1.1 to 13
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
62 to 69
Tensile Strength: Ultimate (UTS), MPa 400
860 to 1800
Tensile Strength: Yield (Proof), MPa 340
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Melting Completion (Liquidus), °C 1660
1380
Melting Onset (Solidus), °C 1610
1340
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 22
42
Thermal Expansion, µm/m-K 9.2
13

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.5
Embodied Carbon, kg CO2/kg material 36
1.8
Embodied Energy, MJ/kg 600
25
Embodied Water, L/kg 230
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 550
880 to 3970
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 25
32 to 66
Strength to Weight: Bending, points 27
27 to 44
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 29
25 to 53

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.080
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 2.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 98.8 to 99.96
0
Vanadium (V), % 0
0 to 0.1
Residuals, % 0 to 0.4
0