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Grade 32 Titanium vs. ACI-ASTM CE3MN Steel

Grade 32 titanium belongs to the titanium alloys classification, while ACI-ASTM CE3MN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 11
20
Fatigue Strength, MPa 390
380
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 770
770
Tensile Strength: Yield (Proof), MPa 670
590

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.5
15
Thermal Expansion, µm/m-K 8.2
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
21
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
4.2
Embodied Energy, MJ/kg 530
58
Embodied Water, L/kg 180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
140
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
840
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 47
27
Strength to Weight: Bending, points 41
24
Thermal Diffusivity, mm2/s 3.0
4.1
Thermal Shock Resistance, points 63
21

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
24 to 26
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
58.1 to 65.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0.6 to 1.2
4.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0.1 to 0.3
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.14
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0