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SAE-AISI 5140 Steel vs. Nickel 22

SAE-AISI 5140 steel belongs to the iron alloys classification, while nickel 22 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 5140 steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 12 to 29
49
Fatigue Strength, MPa 220 to 570
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Shear Strength, MPa 360 to 600
560
Tensile Strength: Ultimate (UTS), MPa 560 to 970
790
Tensile Strength: Yield (Proof), MPa 290 to 840
360

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
990
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 45
10
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 19
170
Embodied Water, L/kg 49
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 180
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1880
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 20 to 34
25
Strength to Weight: Bending, points 19 to 28
21
Thermal Diffusivity, mm2/s 12
2.7
Thermal Shock Resistance, points 16 to 29
24

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.015
Chromium (Cr), % 0.7 to 0.9
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 97.3 to 98.1
2.0 to 6.0
Manganese (Mn), % 0.7 to 0.9
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
50.8 to 63
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.080
Sulfur (S), % 0 to 0.040
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35