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Grade 12 Titanium vs. Chromium 33

Grade 12 titanium belongs to the titanium alloys classification, while chromium 33 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 12 titanium and the bottom bar is chromium 33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
45
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 39
81
Tensile Strength: Ultimate (UTS), MPa 530
850
Tensile Strength: Yield (Proof), MPa 410
430

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 9.6
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
6.0
Embodied Energy, MJ/kg 500
84
Embodied Water, L/kg 110
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 770
450
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 32
30
Strength to Weight: Bending, points 32
25
Thermal Shock Resistance, points 37
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0
0.3 to 1.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
25.7 to 37.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0.5 to 2.0
Nickel (Ni), % 0.6 to 0.9
30 to 33
Nitrogen (N), % 0 to 0.030
0.35 to 0.6
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 97.6 to 99.2
0
Residuals, % 0 to 0.4
0