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Aged 250 Maraging Steel vs. Aged Titanium 4-4-2

Aged 250 maraging steel belongs to the iron alloys classification, while aged titanium 4-4-2 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is aged 250 maraging steel and the bottom bar is aged titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 7.3
10
Fatigue Strength, MPa 760
620
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
42
Shear Strength, MPa 1060
750
Tensile Strength: Ultimate (UTS), MPa 1800
1250
Tensile Strength: Yield (Proof), MPa 1740
1080

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 450
540
Thermal Expansion, µm/m-K 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
39
Density, g/cm3 8.2
4.7
Embodied Carbon, kg CO2/kg material 4.9
30
Embodied Energy, MJ/kg 65
480
Embodied Water, L/kg 140
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
34
Strength to Weight: Axial, points 61
74
Strength to Weight: Bending, points 40
55
Thermal Shock Resistance, points 54
93

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
3.0 to 5.0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.080
Cobalt (Co), % 7.0 to 8.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 66.3 to 71.1
0 to 0.2
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
3.0 to 5.0
Nickel (Ni), % 17 to 19
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0.3 to 0.7
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0.3 to 0.5
85.8 to 92.2
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4