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Grade 6 Titanium vs. EN 1.5680 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.5680 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 1.5680 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
23
Fatigue Strength, MPa 290
310
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
390
Tensile Strength: Ultimate (UTS), MPa 890
620
Tensile Strength: Yield (Proof), MPa 840
440

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
48
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
5.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.9
Embodied Energy, MJ/kg 480
26
Embodied Water, L/kg 190
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
22
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 65
18

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0 to 0.15
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
93.4 to 95
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 5.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Vanadium (V), % 0
0 to 0.050
Residuals, % 0 to 0.4
0