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Grade CX2MW Nickel vs. S30415 Stainless Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while S30415 stainless steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 260
300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
670
Tensile Strength: Yield (Proof), MPa 350
330

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
940
Melting Completion (Liquidus), °C 1550
1410
Melting Onset (Solidus), °C 1490
1370
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
21
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 65
15
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 12
3.1
Embodied Energy, MJ/kg 170
43
Embodied Water, L/kg 290
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
250
Resilience: Unit (Modulus of Resilience), kJ/m3 290
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 2.7
5.6
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.020
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 20 to 22.5
18 to 19
Iron (Fe), % 2.0 to 6.0
67.8 to 71.8
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.8
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0