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Grade 2 Titanium vs. ACI-ASTM CA6N Steel

Grade 2 titanium belongs to the titanium alloys classification, while ACI-ASTM CA6N steel belongs to the iron alloys. There are 30 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 2 titanium and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
17
Fatigue Strength, MPa 250
640
Poisson's Ratio 0.32
0.28
Reduction in Area, % 37
57
Shear Modulus, GPa 38
75
Tensile Strength: Ultimate (UTS), MPa 420
1080
Tensile Strength: Yield (Proof), MPa 360
1060

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
740
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
23
Thermal Expansion, µm/m-K 9.0
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
2.5
Embodied Energy, MJ/kg 510
35
Embodied Water, L/kg 110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
180
Resilience: Unit (Modulus of Resilience), kJ/m3 600
2900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
38
Strength to Weight: Bending, points 28
30
Thermal Diffusivity, mm2/s 8.9
6.1
Thermal Shock Resistance, points 32
40

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
10.5 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
77.9 to 83.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0