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Grade 300 Maraging Steel vs. Grade CY40 Nickel

Grade 300 maraging steel belongs to the iron alloys classification, while grade CY40 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.5 to 18
34
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
540
Tensile Strength: Yield (Proof), MPa 760 to 1990
220

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1430
1300
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
55
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 5.1
9.1
Embodied Energy, MJ/kg 68
130
Embodied Water, L/kg 150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 35 to 68
18
Strength to Weight: Bending, points 28 to 43
18
Thermal Shock Resistance, points 31 to 62
16

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.4
Chromium (Cr), % 0
14 to 17
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
0 to 11
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
67 to 86
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 3.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Zirconium (Zr), % 0 to 0.020
0