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Grade 6 Titanium vs. EN 1.4931 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4931 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
17
Fatigue Strength, MPa 290
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Tensile Strength: Ultimate (UTS), MPa 890
810
Tensile Strength: Yield (Proof), MPa 840
620

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 310
600
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
24
Thermal Expansion, µm/m-K 9.4
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
2.9
Embodied Energy, MJ/kg 480
42
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
29
Strength to Weight: Bending, points 46
25
Thermal Diffusivity, mm2/s 3.2
6.5
Thermal Shock Resistance, points 65
22

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
83.2 to 86.8
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35
Residuals, % 0 to 0.4
0