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Grade 33 Titanium vs. SAE-AISI 1046 Steel

Grade 33 titanium belongs to the titanium alloys classification, while SAE-AISI 1046 steel belongs to the iron alloys. There are 31 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 33 titanium and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
14 to 17
Fatigue Strength, MPa 250
240 to 390
Poisson's Ratio 0.32
0.29
Reduction in Area, % 34
39 to 50
Shear Modulus, GPa 41
72
Shear Strength, MPa 240
410 to 450
Tensile Strength: Ultimate (UTS), MPa 390
660 to 740
Tensile Strength: Yield (Proof), MPa 350
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 530
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 590
360 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
23 to 26
Strength to Weight: Bending, points 26
22 to 23
Thermal Diffusivity, mm2/s 8.7
14
Thermal Shock Resistance, points 30
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.5
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
98.4 to 98.9
Manganese (Mn), % 0
0.7 to 1.0
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.020 to 0.040
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 98.1 to 99.52
0
Residuals, % 0 to 0.4
0