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Grade FDSiCrV Steel vs. Grade 19 Titanium

Grade FDSiCrV steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium 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 FDSiCrV steel and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.32
Reduction in Area, % 42
22
Shear Modulus, GPa 80
47
Tensile Strength: Ultimate (UTS), MPa 2100
890 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Maximum Temperature: Mechanical, °C 420
370
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1600
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 47
6.2
Thermal Expansion, µm/m-K 13
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
45
Density, g/cm3 7.7
5.0
Embodied Carbon, kg CO2/kg material 1.9
47
Embodied Energy, MJ/kg 26
760
Embodied Water, L/kg 50
230

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 75
49 to 72
Strength to Weight: Bending, points 47
41 to 53
Thermal Diffusivity, mm2/s 13
2.4
Thermal Shock Resistance, points 63
57 to 83

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0.5 to 0.7
0 to 0.050
Chromium (Cr), % 0.5 to 1.0
5.5 to 6.5
Copper (Cu), % 0 to 0.12
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 96 to 97.8
0 to 0.3
Manganese (Mn), % 0.4 to 0.9
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.7
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
71.1 to 77
Vanadium (V), % 0.1 to 0.25
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4