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Grade 350 Maraging Steel vs. Grade 29 Titanium

Grade 350 maraging steel belongs to the iron alloys classification, while grade 29 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 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 4.1 to 18
6.8 to 11
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 710 to 1400
550 to 560
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
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 5.6
39
Embodied Energy, MJ/kg 74
640
Embodied Water, L/kg 160
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
62 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
47 to 48
Thermal Shock Resistance, points 35 to 74
68 to 69

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 0.015
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 0.13
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
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4

Comparable Variants