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Grade 300 Maraging Steel vs. Grade 32 Titanium

Grade 300 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 300 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, % 6.5 to 18
11
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 640 to 1190
460
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
770
Tensile Strength: Yield (Proof), MPa 760 to 1990
670

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 450
550
Thermal Expansion, µm/m-K 12
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
38
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 5.1
32
Embodied Energy, MJ/kg 68
530
Embodied Water, L/kg 150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
83
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 35 to 68
47
Strength to Weight: Bending, points 28 to 43
41
Thermal Shock Resistance, points 31 to 62
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), % 8.5 to 9.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 65 to 68.4
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), % 0.5 to 0.8
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