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S31266 Stainless Steel vs. SAE-AISI 1022 Steel

Both S31266 stainless steel and SAE-AISI 1022 steel are iron alloys. They have 41% 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 S31266 stainless steel and the bottom bar is SAE-AISI 1022 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
17 to 26
Fatigue Strength, MPa 400
190 to 300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
45 to 54
Shear Modulus, GPa 81
73
Shear Strength, MPa 590
310 to 340
Tensile Strength: Ultimate (UTS), MPa 860
480 to 550
Tensile Strength: Yield (Proof), MPa 470
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
1.4
Embodied Energy, MJ/kg 89
18
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 540
190 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
17 to 19
Strength to Weight: Bending, points 24
17 to 19
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 18
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
98.7 to 99.12
Manganese (Mn), % 2.0 to 4.0
0.7 to 1.0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Tungsten (W), % 1.5 to 2.5
0