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AISI W2 Steel vs. ASTM A732 Cast Steel

Both AISI W2 steel and ASTM A732 cast steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is ASTM A732 cast 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 to 73
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
460 to 1470

Thermal Properties

Latent Heat of Fusion, J/g 250
250 to 260
Melting Completion (Liquidus), °C 1450
1440 to 1460
Melting Onset (Solidus), °C 1410
1400 to 1420
Specific Heat Capacity, J/kg-K 470
470 to 480
Thermal Conductivity, W/m-K 45
39 to 50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.0 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4 to 1.7
Embodied Energy, MJ/kg 29
19 to 24
Embodied Water, L/kg 48
47 to 54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 86
16 to 52
Strength to Weight: Bending, points 20 to 51
17 to 37
Thermal Diffusivity, mm2/s 12
10 to 14
Thermal Shock Resistance, points 19 to 80
14 to 43