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ASTM Grade HN Steel vs. ASTM F15 Fe-Ni-Co

Both ASTM grade HN steel and ASTM F15 Fe-Ni-Co are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1350
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
49
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 4.6
5.2
Embodied Energy, MJ/kg 66
71
Embodied Water, L/kg 180
190

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
17 to 29
Strength to Weight: Bending, points 18
17 to 24
Thermal Diffusivity, mm2/s 3.5
4.5
Thermal Shock Resistance, points 11
32 to 55

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.2 to 0.5
0 to 0.040
Chromium (Cr), % 19 to 23
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 44.9 to 57.8
50.3 to 56
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 23 to 27
28 to 30
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.1
Zirconium (Zr), % 0
0 to 0.1