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SAE-AISI 4320 Steel vs. N10276 Nickel

SAE-AISI 4320 steel belongs to the iron alloys classification, while N10276 nickel belongs to the nickel alloys. 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 N10276 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 21 to 29
47
Fatigue Strength, MPa 320
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Shear Strength, MPa 370 to 500
550
Tensile Strength: Ultimate (UTS), MPa 570 to 790
780
Tensile Strength: Yield (Proof), MPa 430 to 460
320

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 46
9.1
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
70
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 1.7
13
Embodied Energy, MJ/kg 22
170
Embodied Water, L/kg 52
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
300
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 560
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 20 to 28
24
Strength to Weight: Bending, points 19 to 24
21
Thermal Diffusivity, mm2/s 13
2.4
Thermal Shock Resistance, points 19 to 27
23

Alloy Composition

Carbon (C), % 0.17 to 0.22
0 to 0.010
Chromium (Cr), % 0.4 to 0.6
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 95.8 to 97
4.0 to 7.0
Manganese (Mn), % 0.45 to 0.65
0 to 0.010
Molybdenum (Mo), % 0.2 to 0.3
15 to 17
Nickel (Ni), % 1.7 to 2.0
51 to 63.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.080
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35