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Grade CX2MW Nickel vs. EN 1.4021 Stainless Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while EN 1.4021 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 EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 260
240 to 380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
630 to 880
Tensile Strength: Yield (Proof), MPa 350
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
760
Melting Completion (Liquidus), °C 1550
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
30
Thermal Expansion, µm/m-K 12
11

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
7.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 12
1.9
Embodied Energy, MJ/kg 170
27
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
400 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
23 to 31
Strength to Weight: Bending, points 18
21 to 26
Thermal Diffusivity, mm2/s 2.7
8.1
Thermal Shock Resistance, points 17
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.020
0.16 to 0.25
Chromium (Cr), % 20 to 22.5
12 to 14
Iron (Fe), % 2.0 to 6.0
83.2 to 87.8
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0