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Grade M30H Nickel vs. N08800 Stainless Steel

Grade M30H nickel belongs to the nickel alloys classification, while N08800 stainless steel belongs to the iron alloys. They have a modest 36% 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 (4, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 11
4.5 to 34
Fatigue Strength, MPa 230
150 to 390
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
77
Tensile Strength: Ultimate (UTS), MPa 770
500 to 1000
Tensile Strength: Yield (Proof), MPa 470
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1250
1390
Melting Onset (Solidus), °C 1200
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 13
14

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
30
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 7.7
5.3
Embodied Energy, MJ/kg 110
76
Embodied Water, L/kg 250
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 700
96 to 1740
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25
18 to 35
Strength to Weight: Bending, points 22
18 to 28
Thermal Diffusivity, mm2/s 5.7
3.0
Thermal Shock Resistance, points 27
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.3
0 to 0.1
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 27 to 33
0 to 0.75
Iron (Fe), % 0 to 3.5
39.5 to 50.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 57.9 to 70.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 2.7 to 3.7
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6