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ASTM A387 Grade 91 Class 2 vs. N06002 Nickel

ASTM A387 grade 91 class 2 belongs to the iron alloys classification, while N06002 nickel belongs to the nickel alloys. They have a modest 29% 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 ASTM A387 grade 91 class 2 and the bottom bar is N06002 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
41
Fatigue Strength, MPa 330
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Shear Strength, MPa 420
520
Tensile Strength: Ultimate (UTS), MPa 670
760
Tensile Strength: Yield (Proof), MPa 470
310

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 600
990
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
9.9
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
55
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
9.3
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 88
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
250
Resilience: Unit (Modulus of Resilience), kJ/m3 580
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 6.9
2.6
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.050 to 0.15
Chromium (Cr), % 8.0 to 9.5
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Iron (Fe), % 87.3 to 90.3
17 to 20
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
8.0 to 10
Nickel (Ni), % 0 to 0.4
42.3 to 54
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
0.2 to 1.0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0