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Grade 350 Maraging Steel vs. Nickel 59

Grade 350 maraging steel belongs to the iron alloys classification, while nickel 59 belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 4.1 to 18
50
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
84
Shear Strength, MPa 710 to 1400
560
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
780
Tensile Strength: Yield (Proof), MPa 830 to 2300
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1470
1500
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 450
430
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
65
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 5.6
12
Embodied Energy, MJ/kg 74
160
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 38 to 82
25
Strength to Weight: Bending, points 29 to 49
22
Thermal Shock Resistance, points 35 to 74
15

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0.1 to 0.4
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 0
22 to 24
Cobalt (Co), % 11.5 to 12.5
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.2 to 64.6
0 to 1.5
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 4.6 to 5.2
15 to 16.5
Nickel (Ni), % 18 to 19
56.2 to 62.9
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0