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Grade 6 Titanium vs. EN 1.6750 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.6750 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 1.6750 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
18
Fatigue Strength, MPa 290
310
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 890
650
Tensile Strength: Yield (Proof), MPa 840
460

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
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.3
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.7
Embodied Energy, MJ/kg 480
22
Embodied Water, L/kg 190
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
570
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
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 0
0.3 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
95.3 to 97.5
Manganese (Mn), % 0
0.8 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 0
0.8 to 1.2
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 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0