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Grade 350 Maraging Steel vs. Grade 28 Titanium

Grade 350 maraging steel belongs to the iron alloys classification, while grade 28 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is grade 28 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 4.1 to 18
11 to 17
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 710 to 1400
420 to 590
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
690 to 980
Tensile Strength: Yield (Proof), MPa 830 to 2300
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1470
1640
Melting Onset (Solidus), °C 1420
1590
Specific Heat Capacity, J/kg-K 450
550
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 39
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 5.6
37
Embodied Energy, MJ/kg 74
600
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
87 to 110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 38 to 82
43 to 61
Strength to Weight: Bending, points 29 to 49
39 to 49
Thermal Shock Resistance, points 35 to 74
47 to 66

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
2.5 to 3.5
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), % 11.5 to 12.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 61.2 to 64.6
0 to 0.25
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.010
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 1.3 to 1.6
92.4 to 95.4
Vanadium (V), % 0
2.0 to 3.0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4

Comparable Variants