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Kovar alloy is a iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials.Kovar 4J29 SpecificationGradeASTMUNSW.NrKovar 4J29F15K946101.3981Kovar 4J29Chemical compositionGrade%NiCrFeCoCuCMnSiPSMoKovar 4J29Min28.5Bal.16.8Max29.50.217.80.200.030.500.300.020.020.20Kovar 4J29 Coefficient of linear expansionGradea/10-6·K-1Kovar 4J29200-300?20-400?20-450?/4.6-5.25.1-5.5Kovar4J29 Size RW.Nr 1.3981 UNS K94610 ASTM F15 Special Super Alloy Nickel Based Alloy Precision Alloy 4J29 Kovar Wi
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Company name:Shanghai Phoenix Alloy Co.,Ltd
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Business contact:Hua Fang(Mr.)
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Area: Caribbean Region-Bermuda
Address:No.888,North Sichuan Road, Hongkou District, Shanghai,China, Shanghai
Zip:200082
Status:[Offline] [Send message] [Chat]
Business contact:Hua Fang(Mr.)
Telphone:
Mobile:
Area: Caribbean Region-Bermuda
Address:No.888,North Sichuan Road, Hongkou District, Shanghai,China, Shanghai
Zip:200082