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ASTM F15 Fe-Ni-Co vs. Grade 350 Maraging Steel

Both ASTM F15 Fe-Ni-Co and grade 350 maraging steel are iron alloys. They have 84% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 520 to 880
1140 to 2420

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 49
39
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 5.2
5.6
Embodied Energy, MJ/kg 71
74
Embodied Water, L/kg 190
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 29
38 to 82
Strength to Weight: Bending, points 17 to 24
29 to 49
Thermal Shock Resistance, points 32 to 55
35 to 74

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 0 to 0.2
0
Cobalt (Co), % 16 to 18
11.5 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 50.3 to 56
61.2 to 64.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.2
4.6 to 5.2
Nickel (Ni), % 28 to 30
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
1.3 to 1.6
Zirconium (Zr), % 0 to 0.1
0 to 0.020

Comparable Variants