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EN 2.4669 Nickel vs. SAE-AISI 8645 Steel

EN 2.4669 nickel belongs to the nickel alloys classification, while SAE-AISI 8645 steel belongs to the iron alloys. There are 30 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 2.4669 nickel and the bottom bar is SAE-AISI 8645 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
12 to 23
Fatigue Strength, MPa 390
280 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 680
380 to 400
Tensile Strength: Ultimate (UTS), MPa 1110
600 to 670
Tensile Strength: Yield (Proof), MPa 720
390 to 560

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 960
410
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 260
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
420 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 37
21 to 24
Strength to Weight: Bending, points 28
20 to 22
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 33
18 to 20

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0.43 to 0.48
Chromium (Cr), % 14 to 17
0.4 to 0.6
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
96.5 to 97.7
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 65.9 to 77.7
0.4 to 0.7
Niobium (Nb), % 0.7 to 1.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 2.3 to 2.8
0