4J42, 4J50, and 4J52: Fe-Ni Series Expandable Alloys for Soft Glass and Ceramic Sealing Applications
The 4J series, which includes 4J42, 4J50, and 4J52, are high-performance Fe-Ni (Iron-Nickel) expandable alloys. These alloys are designed to match the thermal expansion properties of soft glass and ceramics, ensuring reliable sealing and excellent performance in high-stress environments. All three g