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Grade CW2M Nickel vs. AISI 446 Stainless Steel

Grade CW2M nickel belongs to the nickel alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 83
79
Tensile Strength: Ultimate (UTS), MPa 560
570
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 960
1180
Melting Completion (Liquidus), °C 1520
1510
Melting Onset (Solidus), °C 1460
1430
Specific Heat Capacity, J/kg-K 430
490
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 12
2.4
Embodied Energy, MJ/kg 170
35
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
230
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.2
Chromium (Cr), % 15 to 17.5
23 to 27
Iron (Fe), % 0 to 2.0
69.2 to 77
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 15 to 17.5
0
Nickel (Ni), % 60.1 to 70
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0