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Grade N7M Nickel vs. Grade M30C Nickel

Both grade N7M nickel and grade M30C nickel are nickel alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
160
Elongation at Break, % 22
29
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 85
61
Tensile Strength: Ultimate (UTS), MPa 590
510
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1650
1290
Melting Onset (Solidus), °C 1590
1240
Specific Heat Capacity, J/kg-K 390
430
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
60
Density, g/cm3 9.3
8.8
Embodied Carbon, kg CO2/kg material 16
9.5
Embodied Energy, MJ/kg 200
140
Embodied Water, L/kg 270
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
200
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.3
Chromium (Cr), % 0 to 1.0
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 0 to 3.0
0 to 3.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030