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Grade M30C Nickel vs. Nickel 684

Both grade M30C nickel and nickel 684 are nickel alloys. They have 56% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 29
11
Fatigue Strength, MPa 170
390
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
76
Tensile Strength: Ultimate (UTS), MPa 510
1190
Tensile Strength: Yield (Proof), MPa 250
800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1290
1370
Melting Onset (Solidus), °C 1240
1320
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 9.5
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 250
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1610
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 16
40
Strength to Weight: Bending, points 16
30
Thermal Shock Resistance, points 18
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.3
0 to 0.15
Chromium (Cr), % 0
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 26 to 33
0 to 0.15
Iron (Fe), % 0 to 3.5
0 to 4.0
Manganese (Mn), % 0 to 1.5
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 56.6 to 72
42.7 to 64
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3