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Grade 350 Maraging Steel vs. Grade 32 Titanium

Grade 350 maraging steel belongs to the iron alloys classification, while grade 32 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 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 4.1 to 18
11
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 710 to 1400
460
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
770
Tensile Strength: Yield (Proof), MPa 830 to 2300
670

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
550
Thermal Expansion, µm/m-K 12
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 39
38
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 5.6
32
Embodied Energy, MJ/kg 74
530
Embodied Water, L/kg 160
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
83
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 38 to 82
47
Strength to Weight: Bending, points 29 to 49
41
Thermal Shock Resistance, points 35 to 74
63

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
4.5 to 5.5
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
0.6 to 1.2
Nickel (Ni), % 18 to 19
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0.060 to 0.14
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 1.3 to 1.6
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zirconium (Zr), % 0 to 0.020
0.6 to 1.4
Residuals, % 0
0 to 0.4