FeNiCu Sealing Alloy

 S4J47A

Equivalent Grades

GBГОСТASTMUNSDINW.Nr.NFBSJISSS
S4J47A47НД

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℃20~450℃≥420
9.2~10.19.3~9.99.8~10.4

Available Products and Specifications

Rod, Bar, Wire and ForgingsГОСТ 10994-1974, ГОСТ 14080-78
Plate, Sheet and StripГОСТ 10994-1974, ГОСТ 14080-78
Pipe and TubeГОСТ 10994-1974, ГОСТ 14080-78
Welding Product
OthersГОСТ 10994-1974, ГОСТ 14080-78