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SAE-AISI 5160 Steel vs. AISI 420F Stainless Steel

Both SAE-AISI 5160 steel and AISI 420F stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5160 steel and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 18
18
Fatigue Strength, MPa 180 to 650
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 390 to 700
460
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
740
Tensile Strength: Yield (Proof), MPa 280 to 1010
430

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 50
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
27
Strength to Weight: Bending, points 22 to 31
23
Thermal Diffusivity, mm2/s 12
6.8
Thermal Shock Resistance, points 19 to 34
27

Alloy Composition

Carbon (C), % 0.56 to 0.61
0.3 to 0.4
Chromium (Cr), % 0.7 to 0.9
12 to 14
Iron (Fe), % 97.1 to 97.8
82.4 to 87.6
Manganese (Mn), % 0.75 to 1.0
0 to 1.3
Molybdenum (Mo), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0.15 to 0.35