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AISI W2 Steel vs. Nickel 825

AISI W2 steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
650

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 45
11
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
41
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.0
7.2
Embodied Energy, MJ/kg 29
100
Embodied Water, L/kg 48
230

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 86
22
Strength to Weight: Bending, points 20 to 51
20
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 19 to 80
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.85 to 1.5
0 to 0.050
Chromium (Cr), % 0 to 0.15
19.5 to 23.5
Copper (Cu), % 0 to 0.2
1.5 to 3.0
Iron (Fe), % 96.2 to 98.6
22 to 37.9
Manganese (Mn), % 0.35 to 0.74
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
2.5 to 3.5
Nickel (Ni), % 0 to 0.2
38 to 46
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.4
0 to 0.050
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0