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Grade 2 Titanium vs. EN 1.8201 Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.8201 steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 250
310
Impact Strength: V-Notched Charpy, J 160
38
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
74
Shear Strength, MPa 270
390
Tensile Strength: Ultimate (UTS), MPa 420
630
Tensile Strength: Yield (Proof), MPa 360
450

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
450
Melting Completion (Liquidus), °C 1660
1500
Melting Onset (Solidus), °C 1610
1450
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 31
2.5
Embodied Energy, MJ/kg 510
36
Embodied Water, L/kg 110
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 0
1.9 to 2.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
93.6 to 96.2
Manganese (Mn), % 0
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.9 to 100
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3
Residuals, % 0 to 0.4
0