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Grade 32 Titanium vs. ACI-ASTM CN3MN Steel

Grade 32 titanium belongs to the titanium alloys classification, while ACI-ASTM CN3MN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 11
39
Fatigue Strength, MPa 390
250
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 770
620
Tensile Strength: Yield (Proof), MPa 670
300

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 550
460
Thermal Conductivity, W/m-K 7.5
13
Thermal Expansion, µm/m-K 8.2
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 38
33
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 32
6.2
Embodied Energy, MJ/kg 530
84
Embodied Water, L/kg 180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
21
Strength to Weight: Bending, points 41
20
Thermal Diffusivity, mm2/s 3.0
3.4
Thermal Shock Resistance, points 63
14

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0
0 to 0.75
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
41.4 to 50.3
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.2
6.0 to 7.0
Nickel (Ni), % 0
23.5 to 25.5
Nitrogen (N), % 0 to 0.030
0.18 to 0.26
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 0.010
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