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Nickel 686 vs. Grade CW12MW Nickel

Both nickel 686 and grade CW12MW nickel are nickel alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 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 nickel 686 and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 51
4.6
Fatigue Strength, MPa 410
130
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
85
Tensile Strength: Ultimate (UTS), MPa 780
560
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 980
960
Melting Completion (Liquidus), °C 1380
1610
Melting Onset (Solidus), °C 1340
1560
Specific Heat Capacity, J/kg-K 420
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 9.0
9.1
Embodied Carbon, kg CO2/kg material 12
13
Embodied Energy, MJ/kg 170
180
Embodied Water, L/kg 300
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
22
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.12
Chromium (Cr), % 19 to 23
15.5 to 17.5
Iron (Fe), % 0 to 5.0
4.5 to 7.5
Manganese (Mn), % 0 to 0.75
0 to 1.0
Molybdenum (Mo), % 15 to 17
16 to 18
Nickel (Ni), % 49.5 to 63
49.2 to 60.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.020 to 0.25
0
Tungsten (W), % 3.0 to 4.4
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4