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ASTM F15 Fe-Ni-Co vs. AWS ERNiCrMo-2

ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, 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 ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 520 to 880
750

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 6.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 49
55
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 5.2
9.2
Embodied Energy, MJ/kg 71
120
Embodied Water, L/kg 190
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 29
25
Strength to Weight: Bending, points 17 to 24
22
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 32 to 55
20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 0 to 0.2
20.5 to 23
Cobalt (Co), % 16 to 18
0.5 to 2.5
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 50.3 to 56
17 to 20
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
8.0 to 10
Nickel (Ni), % 28 to 30
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0.2 to 1.0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.5