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S32654 Stainless Steel vs. SAE-AISI 1020 Steel

Both S32654 stainless steel and SAE-AISI 1020 steel are iron alloys. They have 42% of their average alloy composition in common. There are 32 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 S32654 stainless steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
17 to 28
Fatigue Strength, MPa 450
180 to 250
Poisson's Ratio 0.28
0.29
Reduction in Area, % 46
45 to 57
Shear Modulus, GPa 82
73
Shear Strength, MPa 590
280
Tensile Strength: Ultimate (UTS), MPa 850
430 to 460
Tensile Strength: Yield (Proof), MPa 490
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
52
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.4
1.4
Embodied Energy, MJ/kg 87
18
Embodied Water, L/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 570
150 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
15 to 16
Strength to Weight: Bending, points 25
16 to 17
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 19
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.020
0.18 to 0.23
Chromium (Cr), % 24 to 25
0
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
99.08 to 99.52
Manganese (Mn), % 2.0 to 4.0
0.3 to 0.6
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0 to 0.050