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EN 2.4889 Nickel vs. SAE-AISI 4621 Steel

EN 2.4889 nickel belongs to the nickel alloys classification, while SAE-AISI 4621 steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 2.4889 nickel and the bottom bar is SAE-AISI 4621 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
27
Fatigue Strength, MPa 210
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 490
320
Tensile Strength: Ultimate (UTS), MPa 720
500
Tensile Strength: Yield (Proof), MPa 270
360

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 1200
410
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1300
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 42
3.3
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.9
1.6
Embodied Energy, MJ/kg 98
22
Embodied Water, L/kg 250
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.4
12
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0.050 to 0.12
0.18 to 0.23
Cerium (Ce), % 0.030 to 0.090
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 21 to 25
96.1 to 97.1
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 45 to 50.4
1.7 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 2.5 to 3.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040