EN 1.5525 Steel vs. Grade 1 Titanium
EN 1.5525 steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys.
For each property being compared, the top bar is EN 1.5525 steel and the bottom bar is grade 1 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 180 | |
120 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
110 |
Elongation at Break, % | 11 to 21 | |
28 |
Fatigue Strength, MPa | 210 to 310 | |
170 |
Poisson's Ratio | 0.29 | |
0.32 |
Reduction in Area, % | 62 to 73 | |
36 |
Shear Modulus, GPa | 73 | |
39 |
Shear Strength, MPa | 310 to 350 | |
200 |
Tensile Strength: Ultimate (UTS), MPa | 440 to 1440 | |
310 |
Tensile Strength: Yield (Proof), MPa | 300 to 490 | |
220 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
420 |
Maximum Temperature: Mechanical, °C | 400 | |
320 |
Melting Completion (Liquidus), °C | 1460 | |
1660 |
Melting Onset (Solidus), °C | 1420 | |
1610 |
Specific Heat Capacity, J/kg-K | 470 | |
540 |
Thermal Conductivity, W/m-K | 50 | |
20 |
Thermal Expansion, µm/m-K | 13 | |
8.8 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
3.7 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
7.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
37 |
Density, g/cm3 | 7.8 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
31 |
Embodied Energy, MJ/kg | 19 | |
510 |
Embodied Water, L/kg | 48 | |
110 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 240 | |
79 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 640 | |
230 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
35 |
Strength to Weight: Axial, points | 16 to 51 | |
19 |
Strength to Weight: Bending, points | 16 to 36 | |
23 |
Thermal Diffusivity, mm2/s | 13 | |
8.2 |
Thermal Shock Resistance, points | 13 to 42 | |
24 |
Alloy Composition
Boron (B), % | 0.00080 to 0.0050 | |
0 |
Carbon (C), % | 0.18 to 0.23 | |
0 to 0.080 |
Chromium (Cr), % | 0 to 0.3 | |
0 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.015 |
Iron (Fe), % | 97.7 to 98.9 | |
0 to 0.2 |
Manganese (Mn), % | 0.9 to 1.2 | |
0 |
Nitrogen (N), % | 0 | |
0 to 0.030 |
Oxygen (O), % | 0 | |
0 to 0.18 |
Phosphorus (P), % | 0 to 0.025 | |
0 |
Silicon (Si), % | 0 to 0.3 | |
0 |
Sulfur (S), % | 0 to 0.025 | |
0 |
Titanium (Ti), % | 0 | |
99.095 to 100 |
Residuals, % | 0 | |
0 to 0.4 |