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Grade N12MV Nickel vs. SAE-AISI 4340M Steel

Grade N12MV nickel belongs to the nickel alloys classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade N12MV nickel and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 6.8
6.0
Fatigue Strength, MPa 130
690
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 600
2340
Tensile Strength: Yield (Proof), MPa 310
1240

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 900
430
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.9
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
1.9
Embodied Energy, MJ/kg 200
26
Embodied Water, L/kg 260
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
4120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
84
Strength to Weight: Bending, points 17
51
Thermal Shock Resistance, points 19
70

Alloy Composition

Carbon (C), % 0 to 0.12
0.38 to 0.43
Chromium (Cr), % 0 to 1.0
0.7 to 1.0
Iron (Fe), % 4.0 to 6.0
93.3 to 94.8
Manganese (Mn), % 0 to 1.0
0.65 to 0.9
Molybdenum (Mo), % 26 to 30
0.35 to 0.45
Nickel (Ni), % 60.2 to 69.8
1.7 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.012
Silicon (Si), % 0 to 1.0
1.5 to 1.8
Sulfur (S), % 0 to 0.030
0 to 0.012
Vanadium (V), % 0.2 to 0.6
0.050 to 0.1