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Nickel Alloy - Electronic Alloys |
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| Soft Magnetic - Controlled Expansion - The thermal expansion characteristics of this group of alloys are used in several ways. For glass-to-metal sealing applications, the thermal expansion characteristics of glass and metal are closely matched and the metal must also have an oxide which fluxes at high temperature with the glass to provide a hermetic and mechanically sound joint. The most common applications are attachment of metallic parts to the internal of TV and cathode ray tubes, and also certain lamp bulb bases. | |
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Nickel Alloy - Electronic Alloys | |
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| Alloy (UNS Designation) |
End Use | Composition nominal wt% |
Specifications | Density lb/in3 (g/cm3) |
Tensile Strength ksi. (MPa) |
0.2% Yield Strength ksi. (MPa) |
Elong- ation % |
Hardness | ||
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| AL 36™
K93600 or K93603 |
Controlled Expansion: Liquefied gas storage, Bimetallic strips for thermometers, LNG, TV Aperature masks, Composite wing molds | C 0.008, Mn 0.3, S 0.001, Si 0.15, Ni 36.0, Co < 0.35, Mo < 0.02, Al < 0.03, Fe balance | ASTM B-753 ASTM F-1684 MIL-I-23011 | 0.291 (8.05) |
67 (462) |
38 (261) |
32 | 75 Rockwell B | ||
| AL 42™
K94100 |
Controlled Expansion: Lead frames, Color TB electron guns, Glass-metal and ceramic-metal seals, Transistors | Ni 41.0, Fe balance | ASTM F-30 (42) | 0.294 (8.15) |
70 (485) |
40 (275) |
28 | 55 Rockwell B | ||
| AL 4750™
K94800 or K95000 |
Soft Magnetic: Magnetic relay parts, Magnetic shielding, Pole pieces, Specialty motor stators and rotors, Electric Transformers, and Magnetic amplifiers | C 0.01, Mn 0.45, P 0.03, S 0.01, Si 0.3, Cr 0.10, Ni 48.25, Mo 0.3, Co 0.5, Cu 0.3, Fe balance | ASTM A-753 ASTM B-753 | 0.295 (8.17) |
73 (503) |
30 (206) |
38 | 55 Rockwell B | ||
| Moly Permalloy
Unassigned |
Soft Magnetic: Cores and relay components for high sensitivity ground fault circuit breakers, Magnetic shields, and Electric transformers | Mo 4.8, Ni 80.0, Fe balance | ASTM A-753 MIL-N-14411 | 0.298 (8.25) |
99 (682) |
49 (338) |
32 | 80 Rockwell B | ||
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