Expansion alloy 4J50, iron nickel cobalt alloy
Grade:
4J50
Standard:
Bars, plates, strips, wires, pipes
Surface treatment:
Hot forging， Hot rolled， Cold rolled， Cold pull ，Cold drawn
Color:
Metallic color
Expansion alloy 4J50 is a kind of iron-nickel-cobalt fixed expansion sealing alloy. It has a certain linear expansion coefficient within a certain range.
Expansion alloy 4J50 specification
Bar 5.0mm to 8.0mm cold drawn; 8.0mm to 30.0mm hot rolled; 30.0mm to 180.0mm hot forged
Plate 3.5mm to 30.0mm hot rolling; 30.0mm to 40.0mm hot forging
Strip 0.2mm to 3.5mm cold rolled
Flat wire 0.5mm to 5.0mm hot rolled
Round wire 0.1mm to 5.0mm cold drawn
Capillary tube outer diameter 8.0mm to 1.0mm , inner diameter 0.1mm to 8.0mm cold drawn
Tube outer diameter 120mm to 8.0mm, inner diameter 8.0mm to 129mm cold drawn
Chemical composition of expanded alloy 4J50
Expansion alloy 4J50 mechanical properties/tensile strength (strip)
Expansion alloy 4J50 hardness (strip)
Expansion alloy 4J50 average expansion coefficient
Application of expansion alloy 4J50
In the electric vacuum industry, it is matched and sealed with the corresponding soft glass or the corresponding ceramic.
Consulting Engineers
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