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ASTM Grade HN Steel vs. N08120 Nickel

ASTM grade HN steel belongs to the iron alloys classification, while N08120 nickel belongs to the nickel alloys. They have 79% of their average alloy composition in common. There are 24 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 grade HN steel and the bottom bar is N08120 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 500
700

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Mechanical, °C 1080
1000
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 26
45
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.6
7.2
Embodied Energy, MJ/kg 66
100
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 22
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.5
3.0
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.2 to 0.5
0.020 to 0.1
Chromium (Cr), % 19 to 23
23 to 27
Cobalt (Co), % 0
0 to 3.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 44.9 to 57.8
21 to 41.4
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 2.5
Nickel (Ni), % 23 to 27
35 to 39
Niobium (Nb), % 0
0.4 to 0.9
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 0
0 to 2.5