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SAE-AISI 1086 Steel vs. EN 1.1181 Steel

Both SAE-AISI 1086 steel and EN 1.1181 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1086 steel and the bottom bar is EN 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
19 to 20
Fatigue Strength, MPa 300 to 360
190 to 260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
350 to 390
Tensile Strength: Ultimate (UTS), MPa 760 to 870
560 to 620
Tensile Strength: Yield (Proof), MPa 480 to 580
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
42
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 84
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 890
210 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 31
20 to 22
Strength to Weight: Bending, points 24 to 26
19 to 21
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 26 to 30
19 to 21

Alloy Composition

Carbon (C), % 0.8 to 0.93
0.32 to 0.39
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98.5 to 98.9
97.4 to 99.18
Manganese (Mn), % 0.3 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.035