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SAE-AISI 5160 Steel vs. AISI 422 Stainless Steel

Both SAE-AISI 5160 steel and AISI 422 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 18
15 to 17
Fatigue Strength, MPa 180 to 650
410 to 500
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 390 to 700
560 to 660
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
910 to 1080
Tensile Strength: Yield (Proof), MPa 280 to 1010
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
650
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 50
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
1140 to 1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
32 to 38
Strength to Weight: Bending, points 22 to 31
26 to 30
Thermal Diffusivity, mm2/s 12
6.4
Thermal Shock Resistance, points 19 to 34
33 to 39

Alloy Composition

Carbon (C), % 0.56 to 0.61
0.2 to 0.25
Chromium (Cr), % 0.7 to 0.9
11 to 12.5
Iron (Fe), % 97.1 to 97.8
81.9 to 85.8
Manganese (Mn), % 0.75 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0
0.5 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3