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Nickel 685 vs. Type 3 Magnetic Alloy

Both nickel 685 and Type 3 magnetic alloy are nickel alloys. They have 61% of their average alloy composition in common. There are 26 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 nickel 685 and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 17
43
Fatigue Strength, MPa 470
170
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
70
Shear Strength, MPa 770
380
Tensile Strength: Ultimate (UTS), MPa 1250
550
Tensile Strength: Yield (Proof), MPa 850
210

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1000
910
Melting Completion (Liquidus), °C 1380
1370
Melting Onset (Solidus), °C 1330
1320
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
55
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 10
8.7
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 340
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
120
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 42
18
Strength to Weight: Bending, points 31
17
Thermal Shock Resistance, points 37
18

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0 to 0.050
Chromium (Cr), % 18 to 21
2.0 to 3.0
Cobalt (Co), % 12 to 15
0 to 0.5
Copper (Cu), % 0 to 0.5
4.0 to 6.0
Iron (Fe), % 0 to 2.0
9.9 to 19
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.5 to 5.0
0 to 0.5
Nickel (Ni), % 49.6 to 62.5
75 to 78
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0