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Grade 32 Titanium vs. ACI-ASTM CN3M Steel

Grade 32 titanium belongs to the titanium alloys classification, while ACI-ASTM CN3M 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 CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 390
150
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 770
500
Tensile Strength: Yield (Proof), MPa 670
190

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 550
470
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
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 38
31
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 32
5.9
Embodied Energy, MJ/kg 530
80
Embodied Water, L/kg 180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
17
Strength to Weight: Bending, points 41
17
Thermal Diffusivity, mm2/s 3.0
3.4
Thermal Shock Resistance, points 63
11

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
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
42.4 to 52.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.2
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.060 to 0.14
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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