Project Description

FeNiCo Ceramic Sealing Alloy

Alloy

4J33, 4J34

Specification

YB/T 5234-93

Product Forms

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

Chemical Composition, %

AlloyCMnSiPSNiCoFe
4J33≤0.05≤0.5≤0.3≤0.02≤0.0232.1-33.614.0-15.2Rest
4J34≤0.05≤0.5≤0.3≤0.02≤0.0228.5-29.519.5-20.5Rest

Average Linear Expansion Coefficient

AlloyHeat treatment for sampleAverage linear expansion coefficient a/10-6.K-1
20~400℃20~500℃20~600℃
4J33Heating 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 cooling6.0~6.86.6~7.4–
4J346.3~7.1–7.8~8.5

Feature

FeNiCo Ceramic Sealing Alloys are usually applied for match sealing electronic apparatus in ceramic 95% Al2O3.

Application

FeNiCo Ceramic Sealing Alloys are usually applied for match sealing electronic apparatus in ceramic 95% Al2O3.