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ASTM F15 Fe-Ni-Co vs. AWS ENiCrFe-3

ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while AWS ENiCrFe-3 belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (6, 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 AWS ENiCrFe-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 520 to 880
630

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1410
1370
Melting Onset (Solidus), °C 1450
1320
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 6.0
13

Otherwise Unclassified Properties

Base Metal Price, % relative 49
65
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 5.2
11
Embodied Energy, MJ/kg 71
150
Embodied Water, L/kg 190
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 29
21
Strength to Weight: Bending, points 17 to 24
19
Thermal Shock Resistance, points 32 to 55
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 0 to 0.2
13 to 17
Cobalt (Co), % 16 to 18
0 to 0.12
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 50.3 to 56
0 to 10
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
5.0 to 9.5
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 28 to 30
52 to 81
Niobium (Nb), % 0
1.0 to 2.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.1
0 to 1.0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.5