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ASTM F15 Fe-Ni-Co vs. AWS E320

Both ASTM F15 Fe-Ni-Co and AWS E320 are iron alloys. They have 67% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, 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 E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 520 to 880
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1450
1360
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 6.0
14

Otherwise Unclassified Properties

Base Metal Price, % relative 49
38
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 5.2
6.5
Embodied Energy, MJ/kg 71
91
Embodied Water, L/kg 190
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 29
21
Strength to Weight: Bending, points 17 to 24
20
Thermal Shock Resistance, points 32 to 55
16

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0 to 0.070
Chromium (Cr), % 0 to 0.2
19 to 21
Cobalt (Co), % 16 to 18
0
Copper (Cu), % 0 to 0.2
3.0 to 4.0
Iron (Fe), % 50.3 to 56
31.8 to 43.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.2
2.0 to 3.0
Nickel (Ni), % 28 to 30
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zirconium (Zr), % 0 to 0.1
0