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52 Alloy

52 Alloy52 Alloy52 Alloy52 Alloy

Product Introduction

Alloy 52,ASTM F30,UNS K95050,(Fe-50Ni),Chinese 4J50
Alloy 52 is a 52% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. Produced with good machining properties, it’s manufactured in a controlled environment under controlled conditions.
Forms: Sheet/Plate, Bar/Rod/Wire/Coil,Capillary/Pipe/Tube

Product details

Description

Alloy 52 is a 52% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. Produced with good machining properties, it’s manufactured in a controlled environment under controlled conditions.

Application

Glass to metal seals for electronic tubes, automotive and industrial lamps, and specialty hermetic devices.

parameter

Cross Reference:

Russia USA UK Japan France Germany
50H FeNi50 Nilo51 NS-1 N50 Vacovit500

Typical chemistry:

C P S Mn Si Al Ni Fe
0.05 0.020 0.020 0.80 0.30 0.10 49.0-50.5 BAL

Physical Property:

Heat Treatment System of the Samples Average Coefficient of Linear Expansion
20-300°C 20-400°C 20-500°C
To be heat treated at a temperature of 900±20℃ the hydrogen, hold for 1h, cool at a rate less than 5℃/min to 200℃ 9.2-10.0 9.2-9.9  

Mean coefficient of linear expansion at different temperature, ā/(10-6/K):

52-Alloy

Mechanical Properties:

Elongation % in 2 in. 35
Typical Hardness Ann Rockwell HRB 80
Modules of Elasticity ksi 23
MPa 159
Yield Strength ksi 40
MPa 276
Tensile Strength ksi 80
MPa 552

Size Range

Sheet Thickness:0.10mm~3.50mm, width: ≤300mm
Plate Thickness:3.5mm~40.0mm, width: ≤500mm
Round wire Thickness:0.10mm~5.0mm
Flat Wire Dia 0.5mm~Dia 5.0mm, length≤1000
Rod Dia 5.0mm~Dia 8.0mm, length≤2000
Dia 8.0mm~Dia 32.0mm, length≤2500
Dia 32.0mm~Dia180.0mm, length≤1000
Capillary OD 8.0mm~1.0mm,ID 0.1~8.0 length≤2500
Pipe OD 120mm~8.0mm,ID 8.0~129 length≤4000

Condition: (With max tolerance) cold rolled, cold drawn, hot rolled , hot forging ,peeled turned ,bright ,bright annealed

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