AWS ERTi-12 vs. EN 1.1118 Cast Steel
AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.1118 cast steel belongs to the iron alloys.
For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.1118 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
190 |
Elongation at Break, % | 12 | |
14 to 21 |
Fatigue Strength, MPa | 200 | |
320 to 400 |
Poisson's Ratio | 0.32 | |
0.29 |
Shear Modulus, GPa | 41 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 480 | |
700 to 750 |
Tensile Strength: Yield (Proof), MPa | 340 | |
460 to 630 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
250 |
Maximum Temperature: Mechanical, °C | 320 | |
400 |
Melting Completion (Liquidus), °C | 1670 | |
1460 |
Melting Onset (Solidus), °C | 1620 | |
1420 |
Specific Heat Capacity, J/kg-K | 540 | |
470 |
Thermal Conductivity, W/m-K | 21 | |
51 |
Thermal Expansion, µm/m-K | 8.7 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 37 | |
1.9 |
Density, g/cm3 | 4.5 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 31 | |
1.4 |
Embodied Energy, MJ/kg | 510 | |
19 |
Embodied Water, L/kg | 110 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
97 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 550 | |
550 to 1050 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 35 | |
24 |
Strength to Weight: Axial, points | 30 | |
25 to 27 |
Strength to Weight: Bending, points | 30 | |
22 to 23 |
Thermal Diffusivity, mm2/s | 8.7 | |
14 |
Thermal Shock Resistance, points | 37 | |
22 to 24 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.2 to 0.25 |
Hydrogen (H), % | 0 to 0.0080 | |
0 |
Iron (Fe), % | 0 to 0.15 | |
97.3 to 98.3 |
Manganese (Mn), % | 0 | |
1.5 to 1.8 |
Molybdenum (Mo), % | 0.2 to 0.4 | |
0 |
Nickel (Ni), % | 0.060 to 0.090 | |
0 |
Nitrogen (N), % | 0 to 0.015 | |
0 |
Oxygen (O), % | 0.080 to 0.16 | |
0 |
Phosphorus (P), % | 0 | |
0 to 0.020 |
Silicon (Si), % | 0 | |
0 to 0.6 |
Sulfur (S), % | 0 | |
0 to 0.015 |
Titanium (Ti), % | 99.147 to 99.66 | |
0 |