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Grade 19 Titanium vs. ACI-ASTM CB6 Steel

Grade 19 titanium belongs to the titanium alloys classification, while ACI-ASTM CB6 steel belongs to the iron alloys. There are 28 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 19 titanium and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.6 to 17
18
Fatigue Strength, MPa 550 to 620
410
Poisson's Ratio 0.32
0.28
Reduction in Area, % 22
40
Shear Modulus, GPa 47
77
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
880
Tensile Strength: Yield (Proof), MPa 870 to 1170
660

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 370
870
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1600
1390
Specific Heat Capacity, J/kg-K 520
480
Thermal Conductivity, W/m-K 6.2
17
Thermal Expansion, µm/m-K 9.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 45
12
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 47
2.5
Embodied Energy, MJ/kg 760
36
Embodied Water, L/kg 230
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 49 to 72
32
Strength to Weight: Bending, points 41 to 53
26
Thermal Diffusivity, mm2/s 2.4
4.6
Thermal Shock Resistance, points 57 to 83
31

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 5.5 to 6.5
15.5 to 17.5
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
74.4 to 81
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 71.1 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0