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SAE-AISI A3 Steel vs. Grade 35 Titanium

SAE-AISI A3 steel belongs to the iron alloys classification, while grade 35 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 SAE-AISI A3 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
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
1000

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1450
1630
Melting Onset (Solidus), °C 1410
1580
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 37
7.4
Thermal Expansion, µm/m-K 12
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
37
Density, g/cm3 7.8
4.6
Embodied Carbon, kg CO2/kg material 4.4
33
Embodied Energy, MJ/kg 67
530
Embodied Water, L/kg 78
170

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 77
61
Strength to Weight: Bending, points 23 to 48
49
Thermal Diffusivity, mm2/s 10
3.0
Thermal Shock Resistance, points 23 to 70
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 1.2 to 1.3
0 to 0.080
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 88.7 to 92
0.2 to 0.8
Manganese (Mn), % 0.4 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.4
1.5 to 2.5
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0.8 to 1.4
1.1 to 2.1
Residuals, % 0
0 to 0.4