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Grade 300 Maraging Steel vs. Titanium 6-6-2

Grade 300 maraging steel belongs to the iron alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 23 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 300 maraging steel and the bottom bar is titanium 6-6-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 6.5 to 18
6.7 to 9.0
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
44
Shear Strength, MPa 640 to 1190
670 to 800
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
1140 to 1370
Tensile Strength: Yield (Proof), MPa 760 to 1990
1040 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 450
540
Thermal Expansion, µm/m-K 12
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
40
Density, g/cm3 8.2
4.8
Embodied Carbon, kg CO2/kg material 5.1
29
Embodied Energy, MJ/kg 68
470
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
89 to 99
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
34
Strength to Weight: Axial, points 35 to 68
66 to 79
Strength to Weight: Bending, points 28 to 43
50 to 57
Thermal Shock Resistance, points 31 to 62
75 to 90

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
5.0 to 6.0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.050
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 65 to 68.4
0.35 to 1.0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
5.0 to 6.0
Nickel (Ni), % 18 to 19
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0.5 to 0.8
82.8 to 87.8
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4

Comparable Variants