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Grade N12MV Nickel vs. ACI-ASTM CG3M Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ACI-ASTM CG3M steel belongs to the iron alloys. They have a modest 21% 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 CG3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 6.8
28
Fatigue Strength, MPa 130
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 600
580
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1020
Melting Completion (Liquidus), °C 1620
1450
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
20
Density, g/cm3 9.2
7.9
Embodied Carbon, kg CO2/kg material 16
4.1
Embodied Energy, MJ/kg 200
56
Embodied Water, L/kg 260
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 0 to 1.0
18 to 21
Iron (Fe), % 4.0 to 6.0
58.9 to 70
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 26 to 30
3.0 to 4.0
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