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Nickel 693 vs. Grade CW6MC Nickel

Both nickel 693 and grade CW6MC nickel are nickel alloys. They have 87% of their average alloy composition in common. There are 27 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 nickel 693 and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
28
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 660
540
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 1010
980
Melting Completion (Liquidus), °C 1350
1480
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 9.1
11
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
80
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 9.9
14
Embodied Energy, MJ/kg 140
200
Embodied Water, L/kg 320
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 2.3
2.8
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 27 to 31
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 53.3 to 67.5
55.4 to 68.9
Niobium (Nb), % 0.5 to 2.5
3.2 to 4.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0