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Grade CX2MW Nickel vs. AISI 409Cb Stainless Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while AISI 409Cb stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 34
24
Fatigue Strength, MPa 260
140
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
75
Tensile Strength: Ultimate (UTS), MPa 620
420
Tensile Strength: Yield (Proof), MPa 350
200

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
710
Melting Completion (Liquidus), °C 1550
1450
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 65
8.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
2.2
Embodied Energy, MJ/kg 170
31
Embodied Water, L/kg 290
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
83
Resilience: Unit (Modulus of Resilience), kJ/m3 290
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 2.7
6.7
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.060
Chromium (Cr), % 20 to 22.5
10.5 to 11.7
Iron (Fe), % 2.0 to 6.0
84.9 to 89.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0 to 0.5
Niobium (Nb), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0