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EN 1.4404 Stainless Steel vs. Grade CX2M Nickel

EN 1.4404 stainless steel belongs to the iron alloys classification, while grade CX2M 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 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 14 to 43
45
Fatigue Strength, MPa 220 to 320
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 600 to 900
550
Tensile Strength: Yield (Proof), MPa 240 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 950
990
Melting Completion (Liquidus), °C 1440
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 15
10
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
65
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 3.8
12
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 32
18
Strength to Weight: Bending, points 20 to 26
17
Thermal Diffusivity, mm2/s 4.0
2.7
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16.5 to 18.5
22 to 24
Iron (Fe), % 62.8 to 71.5
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
15 to 16.5
Nickel (Ni), % 10 to 13
56.4 to 63
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020