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Grade 350 Maraging Steel vs. Titanium 6-7

Grade 350 maraging steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 4.1 to 18
11
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 75
45
Shear Strength, MPa 710 to 1400
610
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
1020
Tensile Strength: Yield (Proof), MPa 830 to 2300
900

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1470
1700
Melting Onset (Solidus), °C 1420
1650
Specific Heat Capacity, J/kg-K 450
520
Thermal Expansion, µm/m-K 12
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
75
Density, g/cm3 8.2
5.1
Embodied Carbon, kg CO2/kg material 5.6
34
Embodied Energy, MJ/kg 74
540
Embodied Water, L/kg 160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
32
Strength to Weight: Axial, points 38 to 82
56
Strength to Weight: Bending, points 29 to 49
44
Thermal Shock Resistance, points 35 to 74
66

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 0.0090
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
6.5 to 7.5
Nickel (Ni), % 18 to 19
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
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
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 1.3 to 1.6
84.9 to 88
Zirconium (Zr), % 0 to 0.020
0