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SAE-AISI 1043 Steel vs. S82441 Stainless Steel

Both SAE-AISI 1043 steel and S82441 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1043 steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 18
28
Fatigue Strength, MPa 230 to 390
400
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 400 to 430
490
Tensile Strength: Ultimate (UTS), MPa 650 to 710
760
Tensile Strength: Yield (Proof), MPa 350 to 600
550

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
45
Embodied Water, L/kg 46
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 980
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 25
27
Strength to Weight: Bending, points 21 to 22
24
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 21 to 22
21

Alloy Composition

Carbon (C), % 0.4 to 0.47
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 98.4 to 98.9
62.6 to 70.2
Manganese (Mn), % 0.7 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.0050