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SAE-AISI 1010 Steel vs. S31266 Stainless Steel

Both SAE-AISI 1010 steel and S31266 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1010 steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22 to 31
40
Fatigue Strength, MPa 150 to 230
400
Poisson's Ratio 0.29
0.28
Reduction in Area, % 46 to 56
56
Shear Modulus, GPa 73
81
Shear Strength, MPa 230 to 250
590
Tensile Strength: Ultimate (UTS), MPa 350 to 400
860
Tensile Strength: Yield (Proof), MPa 190 to 330
470

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 47
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.4
6.5
Embodied Energy, MJ/kg 18
89
Embodied Water, L/kg 45
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 93
290
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 290
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 14
29
Strength to Weight: Bending, points 14 to 15
24
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 11 to 13
18

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 99.18 to 99.62
34.1 to 46
Manganese (Mn), % 0.3 to 0.6
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5