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S82031 Stainless Steel vs. SAE-AISI 1043 Steel

Both S82031 stainless steel and SAE-AISI 1043 steel are iron alloys. They have 74% 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 S82031 stainless steel and the bottom bar is SAE-AISI 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
13 to 18
Fatigue Strength, MPa 490
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 540
400 to 430
Tensile Strength: Ultimate (UTS), MPa 780
650 to 710
Tensile Strength: Yield (Proof), MPa 570
350 to 600

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
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 15
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 820
320 to 980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
23 to 25
Strength to Weight: Bending, points 24
21 to 22
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 22
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.050
0.4 to 0.47
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 68 to 78.3
98.4 to 98.9
Manganese (Mn), % 0 to 2.5
0.7 to 1.0
Molybdenum (Mo), % 0.6 to 1.4
0
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.14 to 0.24
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.0050
0 to 0.050