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SAE-AISI 1060 Steel vs. S81921 Stainless Steel

Both SAE-AISI 1060 steel and S81921 stainless steel are iron alloys. They have 72% 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 1060 steel and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 13
29
Fatigue Strength, MPa 260 to 340
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Shear Strength, MPa 370 to 450
460
Tensile Strength: Ultimate (UTS), MPa 620 to 740
710
Tensile Strength: Yield (Proof), MPa 400 to 540
500

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
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 9.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58 to 82
180
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 790
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 26
25
Strength to Weight: Bending, points 21 to 23
23
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 20 to 24
20

Alloy Composition

Carbon (C), % 0.55 to 0.65
0 to 0.030
Chromium (Cr), % 0
19 to 22
Iron (Fe), % 98.4 to 98.9
66.7 to 75.9
Manganese (Mn), % 0.6 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
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