Project Description

FeNiCu Sealing Alloy

Alloy

S4J47A

Similar Grade

GBГОСТ
S4J47A47НД

Specification

ГОСТ 10994-1974, ГОСТ 14080-78

Product Forms

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

Chemical Composition, %

AlloyCMnSiPSNiCuFe
S4J47A≤0.05≤0.4≤0.3≤0.015≤0.01546-484.5-5.5Rest

Average Linear Expansion Coefficient

AlloyHeat treatment for sampleAverage linear expansion coefficient a/10-6.K-1Inflection point /℃
S4J47AHeating to temperature between 850~900℃ in a protective or vacuum atmosphere. Holding for 1hour, cooling to 400℃ at a rate less than 300℃ per hour, then air cooling20~300℃20~400℃20~400℃≥420
9.2~10.19.3~9.99.8~10.4