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S32001 Stainless Steel vs. SAE-AISI 1022 Steel

Both S32001 stainless steel and SAE-AISI 1022 steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32001 stainless steel and the bottom bar is SAE-AISI 1022 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
17 to 26
Fatigue Strength, MPa 370
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 450
310 to 340
Tensile Strength: Ultimate (UTS), MPa 690
480 to 550
Tensile Strength: Yield (Proof), MPa 510
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 970
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 660
190 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17 to 19
Strength to Weight: Bending, points 23
17 to 19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 19
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.6 to 75.5
98.7 to 99.12
Manganese (Mn), % 4.0 to 6.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 1.0 to 3.0
0
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050