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AWS ENiCrFe-2 vs. Grade N7M Nickel

Both AWS ENiCrFe-2 and grade N7M nickel are nickel alloys. They have 70% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrFe-2 and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 28
22
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 74
85
Tensile Strength: Ultimate (UTS), MPa 790
590

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1390
1650
Melting Onset (Solidus), °C 1350
1590
Specific Heat Capacity, J/kg-K 450
390
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 65
75
Density, g/cm3 8.5
9.3
Embodied Carbon, kg CO2/kg material 11
16
Embodied Energy, MJ/kg 160
200
Embodied Water, L/kg 260
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 24
19

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 13 to 17
0 to 1.0
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 12
0 to 3.0
Manganese (Mn), % 1.0 to 3.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.5
30 to 33
Nickel (Ni), % 62 to 85
60.9 to 70
Niobium (Nb), % 0.5 to 4.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Residuals, % 0 to 0.5
0