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Grade M30H Nickel vs. Grade N7M Nickel

Both grade M30H nickel and grade N7M 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 M30H nickel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
220
Elongation at Break, % 11
22
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 61
85
Tensile Strength: Ultimate (UTS), MPa 770
590
Tensile Strength: Yield (Proof), MPa 470
310

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1250
1650
Melting Onset (Solidus), °C 1200
1590
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 13
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
75
Density, g/cm3 8.6
9.3
Embodied Carbon, kg CO2/kg material 7.7
16
Embodied Energy, MJ/kg 110
200
Embodied Water, L/kg 250
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
110
Resilience: Unit (Modulus of Resilience), kJ/m3 700
220
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.070
Chromium (Cr), % 0
0 to 1.0
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 3.5
0 to 3.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 57.9 to 70.3
60.9 to 70
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 2.7 to 3.7
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030