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EN 1.7117 Steel vs. Grade 32 Titanium

EN 1.7117 steel belongs to the iron alloys classification, while grade 32 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is grade 32 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 72
40
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
770

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 420
310
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 43
7.5
Thermal Expansion, µm/m-K 13
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
38
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 1.5
32
Embodied Energy, MJ/kg 21
530
Embodied Water, L/kg 51
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24 to 69
47
Strength to Weight: Bending, points 22 to 44
41
Thermal Diffusivity, mm2/s 12
3.0
Thermal Shock Resistance, points 20 to 58
63

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 0.49 to 0.56
0 to 0.080
Chromium (Cr), % 0.7 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.2 to 96.4
0 to 0.25
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0
0.6 to 1.2
Nickel (Ni), % 0.5 to 0.7
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.2 to 1.5
0.060 to 0.14
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 0
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4