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Monel 400 vs. Grade M30H Nickel

Both Monel 400 and grade M30H nickel are nickel alloys. They have a very high 97% of their average alloy composition in common. 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 Monel 400 and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
160
Elongation at Break, % 20 to 40
11
Fatigue Strength, MPa 230 to 290
230
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 62
61
Tensile Strength: Ultimate (UTS), MPa 540 to 780
770
Tensile Strength: Yield (Proof), MPa 210 to 590
470

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1350
1250
Melting Onset (Solidus), °C 1300
1200
Specific Heat Capacity, J/kg-K 430
440
Thermal Conductivity, W/m-K 23
22
Thermal Expansion, µm/m-K 14
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 50
50
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 7.9
7.7
Embodied Energy, MJ/kg 110
110
Embodied Water, L/kg 250
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
75
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
700
Stiffness to Weight: Axial, points 10
10
Stiffness to Weight: Bending, points 21
21
Strength to Weight: Axial, points 17 to 25
25
Strength to Weight: Bending, points 17 to 21
22
Thermal Diffusivity, mm2/s 6.1
5.7
Thermal Shock Resistance, points 17 to 25
27

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.3
Copper (Cu), % 28 to 34
27 to 33
Iron (Fe), % 0 to 2.5
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 63 to 72
57.9 to 70.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
2.7 to 3.7
Sulfur (S), % 0 to 0.024
0 to 0.030