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Grade 35 Titanium vs. SAE-AISI D5 Steel

Grade 35 titanium belongs to the titanium alloys classification, while SAE-AISI D5 steel belongs to the iron 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 35 titanium and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
5.4 to 14
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
75
Shear Strength, MPa 580
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 1000
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1630
1430
Melting Onset (Solidus), °C 1580
1390
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.4
27
Thermal Expansion, µm/m-K 9.3
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
4.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.6
7.7
Embodied Carbon, kg CO2/kg material 33
3.5
Embodied Energy, MJ/kg 530
51
Embodied Water, L/kg 170
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 61
28 to 73
Strength to Weight: Bending, points 49
24 to 46
Thermal Diffusivity, mm2/s 3.0
7.4
Thermal Shock Resistance, points 70
26 to 67

Alloy Composition

Aluminum (Al), % 4.0 to 5.0
0
Carbon (C), % 0 to 0.080
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.2 to 0.8
77.9 to 84.4
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 1.5 to 2.5
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.4 to 93
0
Vanadium (V), % 1.1 to 2.1
0 to 1.0
Residuals, % 0 to 0.4
0