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AISI W2 Steel vs. SAE-AISI 1046 Steel

Both AISI W2 steel and SAE-AISI 1046 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 AISI W2 steel and the bottom bar is SAE-AISI 1046 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 580 to 2400
660 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 29
18
Embodied Water, L/kg 48
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 86
23 to 26
Strength to Weight: Bending, points 20 to 51
22 to 23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 80
23 to 25

Alloy Composition

Carbon (C), % 0.85 to 1.5
0.43 to 0.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.2 to 98.6
98.4 to 98.9
Manganese (Mn), % 0.35 to 0.74
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.4
0
Sulfur (S), % 0 to 0.025
0 to 0.050
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0