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S44535 Stainless Steel vs. SAE-AISI 1020 Steel

Both S44535 stainless steel and SAE-AISI 1020 steel are iron alloys. They have 77% 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 S44535 stainless steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
17 to 28
Fatigue Strength, MPa 210
180 to 250
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 290
280
Tensile Strength: Ultimate (UTS), MPa 450
430 to 460
Tensile Strength: Yield (Proof), MPa 290
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
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
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 34
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 200
150 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
15 to 16
Strength to Weight: Bending, points 17
16 to 17
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 15
13 to 14

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
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.2 to 79.6
99.08 to 99.52
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0.3 to 0.8
0.3 to 0.6
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Titanium (Ti), % 0.030 to 0.2
0