EN 1.6579 Steel vs. Titanium 6-7
EN 1.6579 steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.6579 steel and the bottom bar is titanium 6-7.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
120 |
Elongation at Break, % | 11 to 14 | |
11 |
Fatigue Strength, MPa | 380 to 570 | |
530 |
Poisson's Ratio | 0.29 | |
0.33 |
Shear Modulus, GPa | 73 | |
45 |
Tensile Strength: Ultimate (UTS), MPa | 850 to 980 | |
1020 |
Tensile Strength: Yield (Proof), MPa | 600 to 910 | |
900 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
410 |
Maximum Temperature: Mechanical, °C | 440 | |
300 |
Melting Completion (Liquidus), °C | 1460 | |
1700 |
Melting Onset (Solidus), °C | 1410 | |
1650 |
Specific Heat Capacity, J/kg-K | 470 | |
520 |
Thermal Expansion, µm/m-K | 13 | |
9.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.7 | |
75 |
Density, g/cm3 | 7.8 | |
5.1 |
Embodied Carbon, kg CO2/kg material | 1.7 | |
34 |
Embodied Energy, MJ/kg | 22 | |
540 |
Embodied Water, L/kg | 56 | |
190 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 to 2210 | |
3460 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
32 |
Strength to Weight: Axial, points | 30 to 35 | |
56 |
Strength to Weight: Bending, points | 25 to 28 | |
44 |
Thermal Shock Resistance, points | 25 to 29 | |
66 |
Alloy Composition
Aluminum (Al), % | 0 | |
5.5 to 6.5 |
Carbon (C), % | 0.32 to 0.38 | |
0 to 0.080 |
Chromium (Cr), % | 1.4 to 1.7 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.0090 |
Iron (Fe), % | 94.2 to 96.1 | |
0 to 0.25 |
Manganese (Mn), % | 0.6 to 1.0 | |
0 |
Molybdenum (Mo), % | 0.15 to 0.35 | |
6.5 to 7.5 |
Nickel (Ni), % | 1.4 to 1.7 | |
0 |
Niobium (Nb), % | 0 | |
6.5 to 7.5 |
Nitrogen (N), % | 0 | |
0 to 0.050 |
Oxygen (O), % | 0 | |
0 to 0.2 |
Phosphorus (P), % | 0 to 0.025 | |
0 |
Silicon (Si), % | 0 to 0.6 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Tantalum (Ta), % | 0 | |
0 to 0.5 |
Titanium (Ti), % | 0 | |
84.9 to 88 |