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ASTM F15 Fe-Ni-Co vs. EN 1.4477 Stainless Steel

Both ASTM F15 Fe-Ni-Co and EN 1.4477 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 520 to 880
880 to 930

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 6.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 49
20
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 5.2
3.7
Embodied Energy, MJ/kg 71
52
Embodied Water, L/kg 190
190

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 29
31 to 33
Strength to Weight: Bending, points 17 to 24
26 to 27
Thermal Diffusivity, mm2/s 4.5
3.5
Thermal Shock Resistance, points 32 to 55
23 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 0 to 0.2
28 to 30
Cobalt (Co), % 16 to 18
0
Copper (Cu), % 0 to 0.2
0 to 0.8
Iron (Fe), % 50.3 to 56
56.6 to 63.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.2
1.5 to 2.6
Nickel (Ni), % 28 to 30
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0