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ASTM F15 Fe-Ni-Co vs. R30556 Alloy

Both ASTM F15 Fe-Ni-Co and R30556 alloy are iron alloys. They have 68% 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 ASTM F15 Fe-Ni-Co and the bottom bar is R30556 alloy.

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
780

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1450
1330
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 6.0
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 49
70
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 5.2
8.7
Embodied Energy, MJ/kg 71
130
Embodied Water, L/kg 190
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 17 to 29
26
Strength to Weight: Bending, points 17 to 24
22
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 32 to 55
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 0 to 0.2
21 to 23
Cobalt (Co), % 16 to 18
16 to 21
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 50.3 to 56
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.5 to 2.0
Molybdenum (Mo), % 0 to 0.2
2.5 to 4.0
Nickel (Ni), % 28 to 30
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1
Zirconium (Zr), % 0 to 0.1
0