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EN 1.4451 Stainless Steel vs. EN 2.4632 Nickel

EN 1.4451 stainless steel belongs to the iron alloys classification, while EN 2.4632 nickel belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 2.4632 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 370
430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 750
1250
Tensile Strength: Yield (Proof), MPa 540
780

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1430
1340
Melting Onset (Solidus), °C 1380
1290
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.8
9.4
Embodied Energy, MJ/kg 53
130
Embodied Water, L/kg 190
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 710
1570
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
39

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.030
0 to 0.13
Chromium (Cr), % 25 to 27
18 to 21
Cobalt (Co), % 0
15 to 21
Copper (Cu), % 2.8 to 3.5
0 to 0.2
Iron (Fe), % 56.2 to 64.6
0 to 1.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
49 to 64
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0 to 0.15