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EN 1.4855 Stainless Steel vs. Grade CX2M Nickel

EN 1.4855 stainless steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. They have 49% of their average alloy composition in common. There are 27 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 EN 1.4855 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, % 4.6
45
Fatigue Strength, MPa 120
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 500
550
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1050
990
Melting Completion (Liquidus), °C 1400
1500
Melting Onset (Solidus), °C 1350
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 14
10
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 5.9
12
Embodied Energy, MJ/kg 85
160
Embodied Water, L/kg 200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
210
Resilience: Unit (Modulus of Resilience), kJ/m3 160
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.7
2.7
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 23 to 25
22 to 24
Iron (Fe), % 42.6 to 51.9
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 16.5
Nickel (Ni), % 23 to 25
56.4 to 63
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020