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Grade 6 Titanium vs. EN 1.8874 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.8874 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.8874 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
19
Fatigue Strength, MPa 290
340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
410
Tensile Strength: Ultimate (UTS), MPa 890
660
Tensile Strength: Yield (Proof), MPa 840
500

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
420
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
39
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.2
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.8
Embodied Energy, MJ/kg 480
24
Embodied Water, L/kg 190
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
23
Strength to Weight: Bending, points 46
21
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 65
19

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0 to 0.18
Chromium (Cr), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
93.6 to 100
Manganese (Mn), % 0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0 to 0.050
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0 to 0.4
0