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S31277 Stainless Steel vs. SAE-AISI 1023 Steel

Both S31277 stainless steel and SAE-AISI 1023 steel are iron alloys. They have 41% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is SAE-AISI 1023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
17 to 29
Fatigue Strength, MPa 380
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
280 to 300
Tensile Strength: Ultimate (UTS), MPa 860
430 to 480
Tensile Strength: Yield (Proof), MPa 410
240 to 410

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.7
1.4
Embodied Energy, MJ/kg 90
18
Embodied Water, L/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 410
150 to 450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
15 to 17
Strength to Weight: Bending, points 25
16 to 17
Thermal Shock Resistance, points 19
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.020
0.2 to 0.25
Chromium (Cr), % 20.5 to 23
0
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
99.06 to 99.5
Manganese (Mn), % 0 to 3.0
0.3 to 0.6
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.050