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Grade 26 Titanium vs. Grade 350 Maraging Steel

Grade 26 titanium belongs to the titanium alloys classification, while grade 350 maraging steel belongs to the iron 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 26 titanium and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
4.1 to 18
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 41
75
Shear Strength, MPa 250
710 to 1400
Tensile Strength: Ultimate (UTS), MPa 390
1140 to 2420
Tensile Strength: Yield (Proof), MPa 350
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1660
1470
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
450
Thermal Expansion, µm/m-K 9.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
39
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 33
5.6
Embodied Energy, MJ/kg 530
74
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
98 to 190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 24
38 to 82
Strength to Weight: Bending, points 26
29 to 49
Thermal Shock Resistance, points 28
35 to 74

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Cobalt (Co), % 0
11.5 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
61.2 to 64.6
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
18 to 19
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.010
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.8 to 99.92
1.3 to 1.6
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.4
0