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BYP43 Controlled-Expansion Alloy
Overview of BYP43 Controlled-Expansion Alloy
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BYP43 has the similar linear expansion coefficient with soft glasses from room temperature to 400℃. As a kinds of dedicated controlled expansion alloys, its properties meets the exacting demands of glass-to-metal sealing, underscoring the critical role of specialized expansion alloys in advanced manufacturing.


invar thermal expansion BYP43 Controlled Expansion Alloy

The Typical Applications of This Alloy are

  • Anode cap of TV picture tube


Typical Chemical Composition in Percent


Ni

46.5~48.5

Fe

bal.

Cr

5.9~6.3

Al

0.2~0.3



Typical Linear Expansion Coefficient


25℃-400℃

9.9~10.6 (α, 10-6-1)



Typical Mechanical Properties


Hardness

110~150HV

Grain Size

7.0~10



Typical Physical Properties

Density

8.18 g/cm3 (0.296 lb/in3)

Resistivity

90 µΩ•cm

Thermal conduction

18 W/K

Elastic modulus

163 Gpa


Connect with Beiye to inquire about pricing and learn how our BYP43 controlled expansion alloy can meet your need for dependable precision alloy and supply.



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