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Grade N12MV Nickel vs. ACI-ASTM CG6MMN Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ACI-ASTM CG6MMN steel belongs to the iron alloys. They have a modest 22% 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 (3, 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 CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 6.8
34
Fatigue Strength, MPa 130
260
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 600
670
Tensile Strength: Yield (Proof), MPa 310
320

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1080
Melting Completion (Liquidus), °C 1620
1420
Melting Onset (Solidus), °C 1570
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
22
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
4.8
Embodied Energy, MJ/kg 200
68
Embodied Water, L/kg 260
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
260
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
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 0 to 1.0
20.5 to 23.5
Iron (Fe), % 4.0 to 6.0
51.9 to 62.1
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 26 to 30
1.5 to 3.0
Nickel (Ni), % 60.2 to 69.8
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.6
0.1 to 0.3