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Grade N12MV Nickel vs. AWS E3155

Grade N12MV nickel belongs to the nickel alloys classification, while AWS E3155 belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade N12MV nickel and the bottom bar is AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 6.8
23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
81
Tensile Strength: Ultimate (UTS), MPa 600
770

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
70
Density, g/cm3 9.2
8.4
Embodied Carbon, kg CO2/kg material 16
7.7
Embodied Energy, MJ/kg 200
110
Embodied Water, L/kg 260
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 0 to 1.0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 4.0 to 6.0
23.3 to 36.3
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 26 to 30
2.5 to 3.5
Nickel (Ni), % 60.2 to 69.8
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
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
Tungsten (W), % 0
2.0 to 3.0
Vanadium (V), % 0.2 to 0.6
0