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SAE-AISI 1080 Steel vs. AISI W1 Steel

Both SAE-AISI 1080 steel and AISI W1 steel are iron alloys. Their average alloy composition is basically identical. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is AISI W1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 770 to 870
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 46
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 31
21 to 83
Strength to Weight: Bending, points 24 to 26
20 to 50
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 25 to 29
22 to 85

Alloy Composition

Carbon (C), % 0.75 to 0.88
0.7 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98.1 to 98.7
96.4 to 98.9
Manganese (Mn), % 0.6 to 0.9
0.35 to 0.73
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0.1 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.025
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1