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ASTM Grade HN Steel vs. Nickel 80A

ASTM grade HN steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. They have 47% 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 grade HN steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 500
1040

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1080
980
Melting Completion (Liquidus), °C 1400
1360
Melting Onset (Solidus), °C 1350
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
55
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 4.6
9.8
Embodied Energy, MJ/kg 66
140
Embodied Water, L/kg 180
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
35
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 3.5
2.9
Thermal Shock Resistance, points 11
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0.2 to 0.5
0 to 0.1
Chromium (Cr), % 19 to 23
18 to 21
Iron (Fe), % 44.9 to 57.8
0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
69.4 to 79.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7