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Ceramvar alloyPricision Alloy 4J33/4J34(YB/T5234-1993)*Ceramvar alloy, ASTM F1466, (Fe-Ni27-Co25), Chinese 4J33/4J34Main application:Match with the electricity vacuum industry with the ceramics to seal meets.Cross Reference:GradeRussiaU.S.A.JapanGermany4J3333Hk(Ni33Co17)-KV-4(Ni33Co17)-4J3431HK(Ni31Co20) 24HK(Ni25Co18)Ceramvar(Ni27Co25)-Vacon20(Ni28Co20)Grade
Ceramvar Alloy
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