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Grade 350 Maraging Steel vs. Grade 23 Titanium

Grade 350 maraging steel belongs to the iron alloys classification, while grade 23 titanium 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 grade 350 maraging steel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 4.1 to 18
6.7 to 11
Poisson's Ratio 0.3
0.32
Rockwell C Hardness 34 to 60
32
Shear Modulus, GPa 75
40
Shear Strength, MPa 710 to 1400
540 to 570
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
930 to 940
Tensile Strength: Yield (Proof), MPa 830 to 2300
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1470
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 450
560
Thermal Expansion, µm/m-K 12
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 39
36
Density, g/cm3 8.2
4.4
Embodied Carbon, kg CO2/kg material 5.6
38
Embodied Energy, MJ/kg 74
610
Embodied Water, L/kg 160
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
61 to 100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 38 to 82
58 to 59
Strength to Weight: Bending, points 29 to 49
48
Thermal Shock Resistance, points 35 to 74
67 to 68

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
5.5 to 6.5
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 0.013
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 0.13
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 1.3 to 1.6
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4

Comparable Variants