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SAE-AISI 4320 Steel vs. EN 2.4608 Nickel

SAE-AISI 4320 steel belongs to the iron alloys classification, while EN 2.4608 nickel belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 SAE-AISI 4320 steel and the bottom bar is EN 2.4608 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21 to 29
34
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 370 to 500
410
Tensile Strength: Ultimate (UTS), MPa 570 to 790
620
Tensile Strength: Yield (Proof), MPa 430 to 460
270

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
1000
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 46
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.7
8.4
Embodied Energy, MJ/kg 22
120
Embodied Water, L/kg 52
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 560
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20 to 28
20
Strength to Weight: Bending, points 19 to 24
19
Thermal Diffusivity, mm2/s 13
2.9
Thermal Shock Resistance, points 19 to 27
16

Alloy Composition

Carbon (C), % 0.17 to 0.22
0.030 to 0.080
Chromium (Cr), % 0.4 to 0.6
24 to 26
Cobalt (Co), % 0
2.5 to 4.0
Iron (Fe), % 95.8 to 97
11.4 to 23.8
Manganese (Mn), % 0.45 to 0.65
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
2.5 to 4.0
Nickel (Ni), % 1.7 to 2.0
44 to 47
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0.7 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Tungsten (W), % 0
2.5 to 4.0