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N06985 Nickel vs. ASTM A372 Grade K Steel

N06985 nickel belongs to the nickel alloys classification, while ASTM A372 grade K steel belongs to the iron alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N06985 nickel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 220
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 480
490
Tensile Strength: Ultimate (UTS), MPa 690
780
Tensile Strength: Yield (Proof), MPa 260
620

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 990
440
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1260
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 55
4.4
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.8
Embodied Energy, MJ/kg 120
24
Embodied Water, L/kg 270
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
160
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 2.6
13
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.18
Chromium (Cr), % 21 to 23.5
1.0 to 1.8
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 18 to 21
93.4 to 96.6
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Molybdenum (Mo), % 6.0 to 8.0
0.2 to 0.6
Nickel (Ni), % 35.9 to 53.5
2.0 to 3.3
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0 to 1.5
0