Project Description

Dumet Core Wire Alloy

Alloy

4J43

Specification

YB/T5236-93

Product Forms

Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

Chemical Composition, %

AlloyCMnSiPSNiFe
4J43≤0.10.75-1.25≤0.3≤0.02≤0.0241-43Rest

Average Linear Expansion Coefficient

AlloyHeat treatment for sampleAverage linear expansion coefficient a/10-6.K-1
20~400℃
4J43Heating to temperature between 900℃±20℃ in a protective or vacuum atmosphere. Holding for 1hour, cooling to 200℃ at a rate less than 5℃ per min, then air cooling6.3~7.2

Feature

There is a certain linear expansion coefficient in the given temperature range.

Application

Core rod for making copper clad wire