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ACI-ASTM CA40 Steel vs. ASTM F15 Fe-Ni-Co

Both ACI-ASTM CA40 steel and ASTM F15 Fe-Ni-Co are iron alloys. They have 54% 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 CA40 steel and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1500
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 10
6.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
49
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
5.2
Embodied Energy, MJ/kg 28
71
Embodied Water, L/kg 100
190

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 33
17 to 29
Strength to Weight: Bending, points 27
17 to 24
Thermal Diffusivity, mm2/s 6.7
4.5
Thermal Shock Resistance, points 33
32 to 55

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.2 to 0.4
0 to 0.040
Chromium (Cr), % 11.5 to 14
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 81.5 to 88.3
50.3 to 56
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 1.0
28 to 30
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.1
Zirconium (Zr), % 0
0 to 0.1