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EN 1.4550 Stainless Steel vs. EN 2.4878 Nickel

EN 1.4550 stainless steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is EN 2.4878 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
13 to 17
Fatigue Strength, MPa 210
400 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
78
Shear Strength, MPa 430
750 to 760
Tensile Strength: Ultimate (UTS), MPa 620
1210 to 1250
Tensile Strength: Yield (Proof), MPa 230
740 to 780

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
1030
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
80
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.6
10
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 140
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
150 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1370 to 1540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
41 to 42
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 4.0
2.8
Thermal Shock Resistance, points 14
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 0 to 0.080
0.030 to 0.070
Chromium (Cr), % 17 to 19
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 64.9 to 74
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 9.0 to 12
43.6 to 52.2
Niobium (Nb), % 0 to 1.0
0.7 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Zirconium (Zr), % 0
0.030 to 0.070