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Chromium 33 vs. Grade 27 Titanium

Chromium 33 belongs to the otherwise unclassified metals classification, while grade 27 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
27
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 850
270
Tensile Strength: Yield (Proof), MPa 430
230

Thermal Properties

Latent Heat of Fusion, J/g 320
420
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 14
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 6.0
33
Embodied Energy, MJ/kg 84
530
Embodied Water, L/kg 250
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
70
Resilience: Unit (Modulus of Resilience), kJ/m3 450
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 30
17
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.080
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.3 to 1.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 25.7 to 37.9
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 30 to 33
0
Nitrogen (N), % 0.35 to 0.6
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.020
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
99 to 99.92
Residuals, % 0
0 to 0.4