Expansion alloy 4J34 iron nickel cobalt porcelain sealing alloy

Bars, plates, strips, wires, pipes

Surface treatment:
Hot forging, Hot rolled, Cold rolled, Cold pull ,Cold drawn
Metallic color
Expansion alloy 4J34 Description

Expansion alloy 4J34 is an iron-nickel-cobalt constant-expansion sealing alloy. It has a linear thermal expansion coefficient similar to that of 95% AL203 ceramics in the range of -60- +600℃.

Expansion alloy 4J34 specifications
Bar 5.0Mm to 8.0Mm cold drawn; 8.0Mm to 30.0Mm hot rolled; 30.0Mm to180.0Mm 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

Expansion alloy 4J34 chemical composition

Chemical composition data sheet of expansion alloy 4J34

Mechanical properties/tensile strength (wire)

Mechanical properties/tensile strength (line) data sheet of expansion alloy 4J34

Mechanical properties/tensile strength (strip)

Expansion alloy 4J34 mechanical properties/tensile strength (with) data sheet

Expansion alloy 4J34 hardness

Hardness data sheet of expansion alloy 4J34

Expansion alloy 4J34 average expansion coefficient

Data sheet of average expansion coefficient of expansion alloy 4J34


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