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Grade 19 Titanium vs. Grade VDSiCr Steel

Grade 19 titanium belongs to the titanium alloys classification, while grade VDSiCr steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 19 titanium and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.32
0.29
Reduction in Area, % 22
48
Shear Modulus, GPa 47
80
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
1950

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 370
410
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1600
1400
Specific Heat Capacity, J/kg-K 520
480
Thermal Conductivity, W/m-K 6.2
46
Thermal Expansion, µm/m-K 9.1
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.2
Density, g/cm3 5.0
7.7
Embodied Carbon, kg CO2/kg material 47
1.5
Embodied Energy, MJ/kg 760
20
Embodied Water, L/kg 230
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 49 to 72
70
Strength to Weight: Bending, points 41 to 53
45
Thermal Diffusivity, mm2/s 2.4
12
Thermal Shock Resistance, points 57 to 83
58

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0.5 to 0.6
Chromium (Cr), % 5.5 to 6.5
0.5 to 0.8
Copper (Cu), % 0
0 to 0.060
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
96.6 to 97.8
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
1.2 to 1.6
Sulfur (S), % 0
0 to 0.020
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