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SAE-AISI 1008 Steel vs. S42010 Stainless Steel

Both SAE-AISI 1008 steel and S42010 stainless steel are iron alloys. They have 84% 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 1008 steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 33
18
Fatigue Strength, MPa 150 to 220
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 220 to 230
370
Tensile Strength: Ultimate (UTS), MPa 330 to 370
590
Tensile Strength: Yield (Proof), MPa 190 to 310
350

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
800
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 62
29
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 45
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
95
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 13
21
Strength to Weight: Bending, points 13 to 15
20
Thermal Diffusivity, mm2/s 17
7.9
Thermal Shock Resistance, points 10 to 12
21

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.3
Chromium (Cr), % 0
13.5 to 15
Iron (Fe), % 99.31 to 99.7
80.9 to 85.6
Manganese (Mn), % 0.3 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0
0.35 to 0.85
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