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Grade CW2M Nickel vs. Grade 300 Maraging Steel

Grade CW2M nickel belongs to the nickel alloys classification, while grade 300 maraging steel belongs to the iron alloys. They have a modest 25% 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 (7, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
6.5 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 83
75
Tensile Strength: Ultimate (UTS), MPa 560
1030 to 2030
Tensile Strength: Yield (Proof), MPa 310
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1520
1480
Melting Onset (Solidus), °C 1460
1430
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
34
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 12
5.1
Embodied Energy, MJ/kg 170
68
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
35 to 68
Strength to Weight: Bending, points 17
28 to 43
Thermal Shock Resistance, points 16
31 to 62

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 15 to 17.5
0
Cobalt (Co), % 0
8.5 to 9.5
Iron (Fe), % 0 to 2.0
65 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 15 to 17.5
4.6 to 5.2
Nickel (Ni), % 60.1 to 70
18 to 19
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.8
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Tungsten (W), % 0 to 1.0
0
Zirconium (Zr), % 0
0 to 0.020