Alloy 52 UNS N14052 nickel strip/coil
Alloy 52 is a 50.50% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. The alloy's rate of thermal expansion is virtually constant to a temperature of about 1050 °F (565 °C).
Chemical Component%
| C | Si | Mn | Ni | Cr | Al | P |
| ≤0.05 | ≤0.30 | ≤0.60 | 50.5 | ≤0.25 | ≤0.10 | ≤0.025 |
Properties: Annealed Typical
Ultimate Tensile Strength: 78 KSI nom (536 MPa nom)
Yield Strength: 35 KSI nom (240 MPa nom)
Elongation: 30% nom
Hardness: Rb 73 nom
Applications for Alloy 52 include magnetic reed switches and seals that need controlled linear expansion to approximately 977 °F (525 °C).
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