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Grade 1 Titanium vs. Grade VDC Steel

Grade 1 titanium belongs to the titanium alloys classification, while grade VDC steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is grade VDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
510
Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Reduction in Area, % 36
50
Shear Modulus, GPa 39
80
Tensile Strength: Ultimate (UTS), MPa 310
1700

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
51
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
60
Strength to Weight: Bending, points 23
40
Thermal Diffusivity, mm2/s 8.2
14
Thermal Shock Resistance, points 24
50

Alloy Composition

Carbon (C), % 0 to 0.080
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.060
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
98.3 to 99.35
Manganese (Mn), % 0
0.5 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0