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Grade M30C Nickel vs. Nickel 685

Both grade M30C nickel and nickel 685 are nickel alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 29
17
Fatigue Strength, MPa 170
470
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
77
Tensile Strength: Ultimate (UTS), MPa 510
1250
Tensile Strength: Yield (Proof), MPa 250
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1290
1380
Melting Onset (Solidus), °C 1240
1330
Specific Heat Capacity, J/kg-K 430
460
Thermal Conductivity, W/m-K 22
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 9.5
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 250
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1820
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 16
42
Strength to Weight: Bending, points 16
31
Thermal Diffusivity, mm2/s 5.7
3.3
Thermal Shock Resistance, points 18
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.3
0.030 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 26 to 33
0 to 0.5
Iron (Fe), % 0 to 3.5
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 56.6 to 72
49.6 to 62.5
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12