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SAE-AISI 1023 Steel vs. S42030 Stainless Steel

Both SAE-AISI 1023 steel and S42030 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 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 1023 steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 29
16
Fatigue Strength, MPa 180 to 270
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 300
410
Tensile Strength: Ultimate (UTS), MPa 430 to 480
670
Tensile Strength: Yield (Proof), MPa 240 to 410
410

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
780
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
28
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
34
Embodied Water, L/kg 45
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
92
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 450
440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 17
24
Strength to Weight: Bending, points 16 to 17
22
Thermal Diffusivity, mm2/s 14
7.7
Thermal Shock Resistance, points 14 to 15
24

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 99.06 to 99.5
77.6 to 85
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030