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AISI 316N Stainless Steel vs. Grade CW2M Nickel

AISI 316N stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have a modest 33% 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.0 to 39
23
Fatigue Strength, MPa 230 to 450
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
83
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
560
Tensile Strength: Yield (Proof), MPa 270 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
960
Melting Completion (Liquidus), °C 1440
1520
Melting Onset (Solidus), °C 1400
1460
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
70
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.9
12
Embodied Energy, MJ/kg 53
170
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22 to 41
18
Strength to Weight: Bending, points 20 to 31
17
Thermal Shock Resistance, points 14 to 26
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 16 to 18
15 to 17.5
Iron (Fe), % 61.9 to 71.9
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
15 to 17.5
Nickel (Ni), % 10 to 14
60.1 to 70
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0