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SAE-AISI 1080 Steel vs. Type 3 Magnetic Alloy

SAE-AISI 1080 steel belongs to the iron alloys classification, while Type 3 magnetic alloy belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 11
43
Fatigue Strength, MPa 300 to 360
170
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
70
Shear Strength, MPa 460 to 520
380
Tensile Strength: Ultimate (UTS), MPa 770 to 870
550
Tensile Strength: Yield (Proof), MPa 480 to 590
210

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
55
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
8.7
Embodied Energy, MJ/kg 19
120
Embodied Water, L/kg 46
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
190
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
120
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 27 to 31
18
Strength to Weight: Bending, points 24 to 26
17
Thermal Shock Resistance, points 25 to 29
18

Alloy Composition

Carbon (C), % 0.75 to 0.88
0 to 0.050
Chromium (Cr), % 0
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
4.0 to 6.0
Iron (Fe), % 98.1 to 98.7
9.9 to 19
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
75 to 78
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.020