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ACI-ASTM CA6NM Steel vs. AISI W5 Steel

Both ACI-ASTM CA6NM steel and AISI W5 steel are iron alloys. They have 83% 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 CA6NM steel and the bottom bar is AISI W5 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 850
600 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
45
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 34
21
Embodied Water, L/kg 110
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
21 to 84
Strength to Weight: Bending, points 26
20 to 50
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 31
20 to 78

Alloy Composition

Carbon (C), % 0 to 0.060
1.1 to 1.2
Chromium (Cr), % 11.5 to 14
0.4 to 0.6
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 78.4 to 84.6
96.6 to 98.4
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Molybdenum (Mo), % 0.4 to 1.0
0 to 0.1
Nickel (Ni), % 3.5 to 4.5
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1