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Grade 32 Titanium vs. EN 1.8550 Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.8550 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
11
Fatigue Strength, MPa 390
470
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 460
600
Tensile Strength: Ultimate (UTS), MPa 770
1000
Tensile Strength: Yield (Proof), MPa 670
760

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
440
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.5
40
Thermal Expansion, µm/m-K 8.2
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 38
3.4
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
1.7
Embodied Energy, MJ/kg 530
23
Embodied Water, L/kg 180
67

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
1550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
36
Strength to Weight: Bending, points 41
29
Thermal Diffusivity, mm2/s 3.0
11
Thermal Shock Resistance, points 63
29

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0.8 to 1.2
Carbon (C), % 0 to 0.080
0.3 to 0.37
Chromium (Cr), % 0
1.5 to 1.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
94.4 to 96.3
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0.6 to 1.2
0.15 to 0.25
Nickel (Ni), % 0
0.85 to 1.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.060 to 0.14
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0