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Grade M30H Nickel vs. N08926 Stainless Steel

Grade M30H nickel belongs to the nickel alloys classification, while N08926 stainless steel belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 230
290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
80
Tensile Strength: Ultimate (UTS), MPa 770
740
Tensile Strength: Yield (Proof), MPa 470
330

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1250
1460
Melting Onset (Solidus), °C 1200
1410
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
33
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 7.7
6.2
Embodied Energy, MJ/kg 110
84
Embodied Water, L/kg 250
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
240
Resilience: Unit (Modulus of Resilience), kJ/m3 700
270
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 5.7
3.2
Thermal Shock Resistance, points 27
16

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 27 to 33
0.5 to 1.5
Iron (Fe), % 0 to 3.5
41.7 to 50.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 57.9 to 70.3
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 2.7 to 3.7
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010