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Grade N7M Nickel vs. Monel R-405

Both grade N7M nickel and Monel R-405 are nickel alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
160
Elongation at Break, % 22
9.1 to 39
Fatigue Strength, MPa 190
210 to 250
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 85
62
Tensile Strength: Ultimate (UTS), MPa 590
540 to 630
Tensile Strength: Yield (Proof), MPa 310
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1650
1350
Melting Onset (Solidus), °C 1590
1300
Specific Heat Capacity, J/kg-K 390
430
Thermal Expansion, µm/m-K 9.9
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
50
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 16
7.9
Embodied Energy, MJ/kg 200
110
Embodied Water, L/kg 270
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120 to 370
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 18
17 to 20
Strength to Weight: Bending, points 17
17 to 18
Thermal Shock Resistance, points 19
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.3
Chromium (Cr), % 0 to 1.0
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 0 to 3.0
0 to 2.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
63 to 72
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0.025 to 0.060