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Aluminum 0.10 Max Alloy 52 , Soft Glasses Ceramics Sealing High Strength Alloy
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|Equal Grade||UNS N14052||Density||8.3g/cm3|
|Forms Of Supply||Rod, Wire, Forging, Round Bar, Strip||Spec||ASTM F30, 2.4478, FeNi52|
|Product Name||Controlled Expansion Alloys||Certification||ISO9001|
iron nickel alloy,
thermal expansion nickel
Alloy 52 Controlled Expansion Alloy for Soft Glasses and Ceramics Sealing
Alloy 52 was developed for glass-to-metal seals for some of the soft glasses and ceramics. The alloy’s rate of thermal expansion is virtually constant to a temperature of about 1050°F (565°C).
- Near zero coefficient of linear thermal expansion
- High strength and toughness at cryogenic temperatures
- Magnetic reed switches
- Glass to metal seals that need controlled linear expansion
Typical chemical composition
- Carbon: 0.05 max
- Silicon: 0.30 max
- Manganese: 0.60 max
- Nickel: 50.5 nom
- Chromium: 0.25 max
- Iron: Balance
- Phosphorus: 0.025 max
- Sulfur: 0.025 max
- Aluminum: 0.10 max
Density: 0.30 lb/in³, 8.30 g/cm³
Electrical Resistivity: ohm-cir-mil/ft, microhm-cm:
At 68°F (20°C): 258(43)
Thermal Conductivity: BTU-in/hr-ft²-°F (W/m•K):
68-212°F (20-100°C): 97(140)
Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C):
77-842°F (25-450°C): 5.4 (9.8)
Melting Point: 2600°F (1430°C)
Mechanical Properties at Room Temperature
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
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