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Grade 6 Titanium vs. EN 1.5501 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.5501 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
12 to 17
Fatigue Strength, MPa 290
180 to 270
Poisson's Ratio 0.32
0.29
Reduction in Area, % 27
63 to 73
Shear Modulus, GPa 39
73
Shear Strength, MPa 530
270 to 310
Tensile Strength: Ultimate (UTS), MPa 890
390 to 510
Tensile Strength: Yield (Proof), MPa 840
260 to 420

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
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
52
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
190 to 460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
14 to 18
Strength to Weight: Bending, points 46
15 to 18
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 65
11 to 15

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.13 to 0.16
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
98.4 to 99.269
Manganese (Mn), % 0
0.6 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0