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Grade N12MV Nickel vs. ASTM A387 Grade 91 Class 2

Grade N12MV nickel belongs to the nickel alloys classification, while ASTM A387 grade 91 class 2 belongs to the iron alloys. There are 25 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 grade N12MV nickel and the bottom bar is ASTM A387 grade 91 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 6.8
20
Fatigue Strength, MPa 130
330
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
75
Tensile Strength: Ultimate (UTS), MPa 600
670
Tensile Strength: Yield (Proof), MPa 310
470

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 900
600
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
7.0
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
2.6
Embodied Energy, MJ/kg 200
37
Embodied Water, L/kg 260
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0 to 0.12
0.080 to 0.12
Chromium (Cr), % 0 to 1.0
8.0 to 9.5
Iron (Fe), % 4.0 to 6.0
87.3 to 90.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 26 to 30
0.85 to 1.1
Nickel (Ni), % 60.2 to 69.8
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0.2 to 0.6
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010