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S44535 Stainless Steel vs. SAE-AISI 8620 Steel

Both S44535 stainless steel and SAE-AISI 8620 steel are iron alloys. They have 78% 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 S44535 stainless steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
13 to 31
Fatigue Strength, MPa 210
270 to 360
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 290
340 to 420
Tensile Strength: Ultimate (UTS), MPa 450
520 to 690
Tensile Strength: Yield (Proof), MPa 290
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.5
Embodied Energy, MJ/kg 34
20
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 200
340 to 880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
18 to 24
Strength to Weight: Bending, points 17
18 to 22
Thermal Diffusivity, mm2/s 5.6
10
Thermal Shock Resistance, points 15
15 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 20 to 24
0.4 to 0.6
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.2 to 79.6
96.9 to 98
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0.3 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0.030 to 0.2
0