ACI-ASTM CD4MCuN Steel vs. Grade 17 Titanium
ACI-ASTM CD4MCuN steel belongs to the iron alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 28 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 ACI-ASTM CD4MCuN steel and the bottom bar is grade 17 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
110 |
Elongation at Break, % | 18 | |
27 |
Fatigue Strength, MPa | 340 | |
160 |
Poisson's Ratio | 0.27 | |
0.32 |
Shear Modulus, GPa | 79 | |
38 |
Tensile Strength: Ultimate (UTS), MPa | 770 | |
270 |
Tensile Strength: Yield (Proof), MPa | 550 | |
210 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
420 |
Maximum Temperature: Mechanical, °C | 1100 | |
320 |
Melting Completion (Liquidus), °C | 1420 | |
1660 |
Melting Onset (Solidus), °C | 1380 | |
1610 |
Specific Heat Capacity, J/kg-K | 480 | |
540 |
Thermal Conductivity, W/m-K | 17 | |
23 |
Thermal Expansion, µm/m-K | 13 | |
8.7 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
3.7 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
7.3 |
Otherwise Unclassified Properties
Density, g/cm3 | 7.8 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 3.5 | |
36 |
Embodied Energy, MJ/kg | 49 | |
600 |
Embodied Water, L/kg | 180 | |
230 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
68 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 760 | |
220 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
35 |
Strength to Weight: Axial, points | 28 | |
17 |
Strength to Weight: Bending, points | 24 | |
21 |
Thermal Diffusivity, mm2/s | 4.5 | |
9.3 |
Thermal Shock Resistance, points | 21 | |
21 |
Alloy Composition
Carbon (C), % | 0 to 0.040 | |
0 to 0.080 |
Chromium (Cr), % | 24.5 to 26.5 | |
0 |
Copper (Cu), % | 2.7 to 3.3 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.015 |
Iron (Fe), % | 59.5 to 66.3 | |
0 to 0.2 |
Manganese (Mn), % | 0 to 1.0 | |
0 |
Molybdenum (Mo), % | 1.7 to 2.3 | |
0 |
Nickel (Ni), % | 4.7 to 6.0 | |
0 |
Nitrogen (N), % | 0.1 to 0.25 | |
0 to 0.030 |
Oxygen (O), % | 0 | |
0 to 0.18 |
Palladium (Pd), % | 0 | |
0.040 to 0.080 |
Phosphorus (P), % | 0 to 0.040 | |
0 |
Silicon (Si), % | 0 to 1.0 | |
0 |
Sulfur (S), % | 0 to 0.040 | |
0 |
Titanium (Ti), % | 0 | |
99.015 to 99.96 |
Residuals, % | 0 | |
0 to 0.4 |