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ACI-ASTM CA28MWV Steel vs. AISI W2 Steel

Both ACI-ASTM CA28MWV steel and AISI W2 steel are iron alloys. They have 85% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is AISI W2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 1080
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
45
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 44
29
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
21 to 86
Strength to Weight: Bending, points 30
20 to 51
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 40
19 to 80

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.85 to 1.5
Chromium (Cr), % 11 to 12.5
0 to 0.15
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 81.4 to 85.8
96.2 to 98.6
Manganese (Mn), % 0.5 to 1.0
0.35 to 0.74
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.1
Nickel (Ni), % 0.5 to 1.0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0 to 0.15
Vanadium (V), % 0.2 to 0.3
0.15 to 0.35