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ASTM F15 Fe-Ni-Co vs. EN 1.1221 Steel

Both ASTM F15 Fe-Ni-Co and EN 1.1221 steel 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 (9, in this case) are not shown.

For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 520 to 880
730 to 870

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 6.0
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 49
2.1
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 5.2
1.5
Embodied Energy, MJ/kg 71
19
Embodied Water, L/kg 190
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 29
26 to 31
Strength to Weight: Bending, points 17 to 24
23 to 26
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 32 to 55
23 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0.57 to 0.65
Chromium (Cr), % 0 to 0.2
0 to 0.4
Cobalt (Co), % 16 to 18
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 50.3 to 56
97.1 to 98.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 28 to 30
0 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0

Comparable Variants