MakeItFrom.com
Menu (ESC)

Grade N7M Nickel vs. Nickel 686

Both grade N7M nickel and nickel 686 are nickel alloys. They have 75% of their average alloy composition in common. There are 25 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 grade N7M nickel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 22
51
Fatigue Strength, MPa 190
410
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
77
Tensile Strength: Ultimate (UTS), MPa 590
780
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 900
980
Melting Completion (Liquidus), °C 1650
1380
Melting Onset (Solidus), °C 1590
1340
Specific Heat Capacity, J/kg-K 390
420
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
70
Density, g/cm3 9.3
9.0
Embodied Carbon, kg CO2/kg material 16
12
Embodied Energy, MJ/kg 200
170
Embodied Water, L/kg 270
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 0 to 1.0
19 to 23
Iron (Fe), % 0 to 3.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 30 to 33
15 to 17
Nickel (Ni), % 60.9 to 70
49.5 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4