Astm F30 Standard Nickel Based Alloys 52 Foil For Specialty Hermetic Devices

Product Details:
Place of Origin: China
Brand Name: JINXING
Certification: ISO 9001
Model Number: Alloy 52 Foil
Payment & Shipping Terms:
Minimum Order Quantity: 20kg
Price: 15~100USD/kg
Packaging Details: Plywood case
Delivery Time: 25days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10tons/M

Detail Information

Material: Alloy 52 Pernifer 502, NILO 50, Glass Seal 521 Density: 8.3g/cm3
Surface: Bright Size: Customized Min 0.05mm
Standard: ASTM F30 Melt Range: 1370-1400 ℃
High Light:

ni based alloys


nickel based superalloys

Product Description

Alloy 52 Foil Glass Seal 521 UNS K95050 N14052 ASTM F30 electronic/glass seals

Alloy 52 foil / N14052 Alloy 52 contains 52% nickel and 48% iron and is widely used in the telecommunications industry. It also finds application in a wide variety of electronic applications, especially for glass seals. Also known as: Pernifer 502, NILO 50, Glass Seal 521 UNS K95050 N14052 ASTM F30

Alloy 52 is a ferronickel alloy with nickel content of 50.50%. It is used for glass metal sealing. When the temperature is 565 ° C, the thermal expansion rate of the alloy remains unchanged

Chemical composition:

Carbon: less than 0.01%

Manganese: 0.30%

Silicon: 0.20%

Nickel: 50.50%

Iron: allowance


Physical property:


Specific gravity: 8.30

Density: 0.30 lb / in3

Average specific heat: 0.12btu/lb/ ° f

Average thermal expansion coefficient: 77-842 ° F, annealed, 5.4x10-6in/in/ ° f

Thermal conductivity: 68-212 ° F, 97.00btu-in/hr/ft2 / ° f

Modulus of elasticity (E): 23.0x103ksi

Resistance: @ 70 ° F, 258.0 ohm CIR mil / ft

Temperature coefficient of resistance:

-67-77°F, 19.4X10-4 ohm/ohm/°F

77-221°F, 22.5X10-4 ohm/ohm/°F

Fold back temperature: 1050 ° f

Melting distance: 2600 ° f

Thermal expansion curve - ordinary glass and ceramics



Glass to metal seals for electronic tubes

Automotive and industrial lamps

Specialty hermetic devices

Alloy Type Trade Name UNS No. Standard Forms
Rod Strip Wire Sheet
Ni29Co17 Kovar K94610 ASTM F15 yes yes yes yes
FeNi36 Invar 36 K93603 ASTM 1684 yes yes yes yes
FeNi32Co5 Super-invar 32-5 K93500 ASTM F1684 yes yes yes yes
FeNi33Co17 Ni33Co17 YB/T5234-94 yes yes yes yes
FeNi27Co25 Ceramvar F1466 ASTM F1466 yes yes yes yes
Fe28Cr Alloy 27 K92801 ASTM F256 yes yes yes  
Fe42Ni6Cr Alloy 426 K94760 ASTM F31 yes yes yes  
Fe42Ni Alloy 42 K94100 ASTM F30 yes yes yes yes 
Fe45Ni Alloy45 YB/5235-2005 yes yes yes  
Fe46Ni Alloy46 K94600 ASTM F30 yes yes yes yes
Fe50Ni Alloy52 K95050 ASTM F30 yes yes yes yes



Astm F30 Standard Nickel Based Alloys 52 Foil For Specialty Hermetic Devices 0 

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