ASTM A204 Steel vs. Titanium 4-4-2
ASTM A204 steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A204 steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
110 |
Elongation at Break, % | 18 to 22 | |
10 |
Fatigue Strength, MPa | 200 to 220 | |
590 to 620 |
Poisson's Ratio | 0.29 | |
0.32 |
Shear Modulus, GPa | 73 | |
42 |
Shear Strength, MPa | 330 to 360 | |
690 to 750 |
Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
1150 to 1250 |
Tensile Strength: Yield (Proof), MPa | 290 to 330 | |
1030 to 1080 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
410 |
Maximum Temperature: Mechanical, °C | 410 | |
310 |
Melting Completion (Liquidus), °C | 1470 | |
1610 |
Melting Onset (Solidus), °C | 1420 to 1430 | |
1560 |
Specific Heat Capacity, J/kg-K | 470 | |
540 |
Thermal Conductivity, W/m-K | 52 | |
6.7 |
Thermal Expansion, µm/m-K | 13 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
39 |
Density, g/cm3 | 7.9 | |
4.7 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
30 |
Embodied Energy, MJ/kg | 20 | |
480 |
Embodied Water, L/kg | 47 | |
180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 95 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 290 | |
4700 to 5160 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
34 |
Strength to Weight: Axial, points | 18 to 21 | |
68 to 74 |
Strength to Weight: Bending, points | 18 to 20 | |
52 to 55 |
Thermal Diffusivity, mm2/s | 14 | |
2.6 |
Thermal Shock Resistance, points | 15 to 17 | |
86 to 93 |