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Grade FDSiCrV Steel vs. Grade 35 Titanium

Grade FDSiCrV steel belongs to the iron alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCrV steel and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Reduction in Area, % 42
23
Shear Modulus, GPa 80
41
Tensile Strength: Ultimate (UTS), MPa 2100
1000

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 420
320
Melting Completion (Liquidus), °C 1440
1630
Melting Onset (Solidus), °C 1400
1580
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 47
7.4
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
37
Density, g/cm3 7.7
4.6
Embodied Carbon, kg CO2/kg material 1.9
33
Embodied Energy, MJ/kg 26
530
Embodied Water, L/kg 50
170

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 75
61
Strength to Weight: Bending, points 47
49
Thermal Diffusivity, mm2/s 13
3.0
Thermal Shock Resistance, points 63
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0.5 to 0.7
0 to 0.080
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.12
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96 to 97.8
0.2 to 0.8
Manganese (Mn), % 0.4 to 0.9
0
Molybdenum (Mo), % 0
1.5 to 2.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.7
0.2 to 0.4
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0.1 to 0.25
1.1 to 2.1
Residuals, % 0
0 to 0.4