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AISI 420F Stainless Steel vs. SAE-AISI 1065 Steel

Both AISI 420F stainless steel and SAE-AISI 1065 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 (3, in this case) are not shown.

For each property being compared, the top bar is AISI 420F stainless steel and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
11 to 14
Fatigue Strength, MPa 270
270 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 460
430 to 470
Tensile Strength: Ultimate (UTS), MPa 740
710 to 780
Tensile Strength: Yield (Proof), MPa 430
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 480
490 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
25 to 28
Strength to Weight: Bending, points 23
23 to 24
Thermal Diffusivity, mm2/s 6.8
14
Thermal Shock Resistance, points 27
25 to 27

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.6 to 0.7
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 82.4 to 87.6
98.3 to 98.8
Manganese (Mn), % 0 to 1.3
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0 to 0.050