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AISI 201L Stainless Steel vs. Grade CW2M Nickel

AISI 201L stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have a modest 23% 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 201L 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, % 22 to 46
23
Fatigue Strength, MPa 270 to 530
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
560
Tensile Strength: Yield (Proof), MPa 290 to 790
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
960
Melting Completion (Liquidus), °C 1410
1520
Melting Onset (Solidus), °C 1370
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 38
170
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 37
18
Strength to Weight: Bending, points 24 to 30
17
Thermal Shock Resistance, points 16 to 23
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16 to 18
15 to 17.5
Iron (Fe), % 67.9 to 75
0 to 2.0
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 3.5 to 5.5
60.1 to 70
Nitrogen (N), % 0 to 0.25
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