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SAE-AISI 1046 Steel vs. S31060 Stainless Steel

Both SAE-AISI 1046 steel and S31060 stainless steel are iron alloys. They have 65% 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 1046 steel and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 17
46
Fatigue Strength, MPa 240 to 390
290
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Shear Strength, MPa 410 to 450
480
Tensile Strength: Ultimate (UTS), MPa 660 to 740
680
Tensile Strength: Yield (Proof), MPa 370 to 610
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
48
Embodied Water, L/kg 46
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 95
260
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 990
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
24
Strength to Weight: Bending, points 22 to 23
22
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 23 to 25
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.43 to 0.5
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 98.4 to 98.9
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Nickel (Ni), % 0
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030