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EN 1.4451 Stainless Steel vs. EN 2.4654 Nickel

EN 1.4451 stainless steel belongs to the iron alloys classification, while EN 2.4654 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 27 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 1.4451 stainless steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 370
460
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
1250
Tensile Strength: Yield (Proof), MPa 540
850

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.8
10
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
190
Resilience: Unit (Modulus of Resilience), kJ/m3 710
1810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
42
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 4.5
3.3
Thermal Shock Resistance, points 16
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.020 to 0.1
Chromium (Cr), % 25 to 27
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 2.8 to 3.5
0 to 0.1
Iron (Fe), % 56.2 to 64.6
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
3.5 to 5.0
Nickel (Ni), % 5.0 to 7.0
50.6 to 62.5
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080