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N06985 Nickel vs. ASTM A387 Grade 9 Steel

N06985 nickel belongs to the nickel alloys classification, while ASTM A387 grade 9 steel belongs to the iron alloys. They have a modest 30% 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 A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
20 to 21
Fatigue Strength, MPa 220
160 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 480
310 to 380
Tensile Strength: Ultimate (UTS), MPa 690
500 to 600
Tensile Strength: Yield (Proof), MPa 260
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 990
600
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1260
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
26
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 55
6.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
2.1
Embodied Energy, MJ/kg 120
28
Embodied Water, L/kg 270
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
18 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Diffusivity, mm2/s 2.6
6.9
Thermal Shock Resistance, points 16
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.15
Chromium (Cr), % 21 to 23.5
8.0 to 10
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 18 to 21
87.1 to 90.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 6.0 to 8.0
0.9 to 1.1
Nickel (Ni), % 35.9 to 53.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0 to 1.5
0
Vanadium (V), % 0
0 to 0.040