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BYP46 (4J54) Controlled-Expansion Alloy
Overview of BYP46 (4J54) Controlled-Expansion Alloy
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BYP46 (4J54) has a certain linear expansion coefficient in a range of temperature. This characteristic makes it a specialized controlled expansion alloys within the category of expansion alloys. Similar alloy's names in different trademark systems:

Beiye

China Standard

America

Germany

France

BYP46

4J54

Alleg heng 4750

FeNi54

N54



invar thermal expansion BYP46 4J54 Controlled Expansion Alloy

The Typical Applications of This Alloy are

  • Soft glass sealing

  • TV glass sealing

  • Maria glass

  • Welding electrodes for cast iron


Typical Chemical Composition in Percent


Ni

53.5~54.5

Fe

bal.



Typical Linear Expansion Coefficient


25℃-300℃

10.2~11.4

25℃-400℃

10.2~11.4 (α, 10-6-1)



Typical Mechanical Properties


Tensile Strength

Soft

Hard


<590 MPa (85.6 ksi)

>720 Mpa (104.4 ksi)

Hardness

Thickness

Deep-drawing State


>0.2~2.5mm

≤165HV

>2.5mm

≤170HV

Gain Size

Deep-drawing State: ≥Level 7



Typical Physical Properties

Density

8.25 g/cm3 (0.298 lb/in3)

Melting Point

1430 ℃ (2606 ℉)

Resistivity

90 µΩ•cm

Thermal conduction

18 W/K

Elastic modulus

163 Gpa


Feel free to contact Beiye for further details on precision alloy and supply solutions with BYP46.



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