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SAE-AISI S5 Steel vs. Grade C-6 Titanium

SAE-AISI S5 steel belongs to the iron alloys classification, while grade C-6 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 S5 steel and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 680 to 1940
890

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Melting Completion (Liquidus), °C 1440
1580
Melting Onset (Solidus), °C 1400
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 42
7.8
Thermal Expansion, µm/m-K 12
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
36
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.1
30
Embodied Energy, MJ/kg 29
480
Embodied Water, L/kg 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 70
55
Strength to Weight: Bending, points 22 to 45
46
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 23 to 65
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0.5 to 0.65
0 to 0.1
Chromium (Cr), % 0 to 0.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.6 to 97
0 to 0.5
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.2 to 1.4
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.8 to 2.3
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Vanadium (V), % 0 to 0.35
0
Residuals, % 0
0 to 0.4