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Grade N7M Nickel vs. N08926 Stainless Steel

Grade N7M nickel belongs to the nickel alloys classification, while N08926 stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 22
40
Fatigue Strength, MPa 190
290
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 85
80
Tensile Strength: Ultimate (UTS), MPa 590
740
Tensile Strength: Yield (Proof), MPa 310
330

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Expansion, µm/m-K 9.9
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
33
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 16
6.2
Embodied Energy, MJ/kg 200
84
Embodied Water, L/kg 270
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 220
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 0 to 1.0
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 0 to 3.0
41.7 to 50.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 30 to 33
6.0 to 7.0
Nickel (Ni), % 60.9 to 70
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010