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Grade CX2M Nickel vs. S17700 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while S17700 stainless steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 CX2M nickel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
1.0 to 23
Fatigue Strength, MPa 260
290 to 560
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 550
1180 to 1650
Tensile Strength: Yield (Proof), MPa 310
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
890
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 220
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
42 to 59
Strength to Weight: Bending, points 17
32 to 40
Thermal Diffusivity, mm2/s 2.7
4.1
Thermal Shock Resistance, points 15
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.020
0 to 0.090
Chromium (Cr), % 22 to 24
16 to 18
Iron (Fe), % 0 to 1.5
70.5 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 16.5
0
Nickel (Ni), % 56.4 to 63
6.5 to 7.8
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030