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SAE-AISI 1046 Steel vs. SAE-AISI 1086 Steel

Both SAE-AISI 1046 steel and SAE-AISI 1086 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1046 steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 17
11
Fatigue Strength, MPa 240 to 390
300 to 360
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39 to 50
28 to 45
Shear Modulus, GPa 72
72
Shear Strength, MPa 410 to 450
450 to 520
Tensile Strength: Ultimate (UTS), MPa 660 to 740
760 to 870
Tensile Strength: Yield (Proof), MPa 370 to 610
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 95
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 990
610 to 890
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 26
27 to 31
Strength to Weight: Bending, points 22 to 23
24 to 26
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 23 to 25
26 to 30

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.8 to 0.93
Iron (Fe), % 98.4 to 98.9
98.5 to 98.9
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0 to 0.050
0 to 0.050

Comparable Variants