ASTM A148 Cast Steel vs. Titanium 4-4-2
ASTM A148 cast 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 A148 cast 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, % | 5.7 to 25 | |
10 |
Fatigue Strength, MPa | 280 to 670 | |
590 to 620 |
Poisson's Ratio | 0.29 | |
0.32 |
Reduction in Area, % | 13 to 45 | |
20 |
Shear Modulus, GPa | 73 | |
42 |
Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
1150 to 1250 |
Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
1030 to 1080 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
410 |
Maximum Temperature: Mechanical, °C | 400 to 430 | |
310 |
Melting Completion (Liquidus), °C | 1460 | |
1610 |
Melting Onset (Solidus), °C | 1420 | |
1560 |
Specific Heat Capacity, J/kg-K | 470 | |
540 |
Thermal Conductivity, W/m-K | 37 to 47 | |
6.7 |
Thermal Expansion, µm/m-K | 13 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.3 to 3.3 | |
39 |
Density, g/cm3 | 7.8 | |
4.7 |
Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
30 |
Embodied Energy, MJ/kg | 20 to 22 | |
480 |
Embodied Water, L/kg | 48 to 53 | |
180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 3570 | |
4700 to 5160 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
34 |
Strength to Weight: Axial, points | 22 to 46 | |
68 to 74 |
Strength to Weight: Bending, points | 21 to 34 | |
52 to 55 |
Thermal Diffusivity, mm2/s | 9.9 to 13 | |
2.6 |
Thermal Shock Resistance, points | 18 to 38 | |
86 to 93 |