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AISI 205 Stainless Steel vs. Grade CX2M Nickel

AISI 205 stainless steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 11 to 51
45
Fatigue Strength, MPa 410 to 640
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
550
Tensile Strength: Yield (Proof), MPa 450 to 1100
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
990
Melting Completion (Liquidus), °C 1380
1500
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
65
Density, g/cm3 7.6
8.7
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 37
160
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
210
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 29 to 52
18
Strength to Weight: Bending, points 25 to 37
17
Thermal Shock Resistance, points 16 to 29
15

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.020
Chromium (Cr), % 16.5 to 18.5
22 to 24
Iron (Fe), % 62.6 to 68.1
0 to 1.5
Manganese (Mn), % 14 to 15.5
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 1.0 to 1.7
56.4 to 63
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020