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Grade N12MV Nickel vs. ACI-ASTM CF3M Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ACI-ASTM CF3M steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 6.8
55
Fatigue Strength, MPa 130
270
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 600
520
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
990
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 75
19
Density, g/cm3 9.2
7.9
Embodied Carbon, kg CO2/kg material 16
3.8
Embodied Energy, MJ/kg 200
53
Embodied Water, L/kg 260
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
240
Resilience: Unit (Modulus of Resilience), kJ/m3 220
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 0 to 1.0
17 to 21
Iron (Fe), % 4.0 to 6.0
59.9 to 72
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 26 to 30
2.0 to 3.0
Nickel (Ni), % 60.2 to 69.8
9.0 to 13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.2 to 0.6
0