ASTM F15 Alloy Sheet 1.Specilizing in kovar material 2. Have ISO9001:2008, RoHs,Test Report 3. A professional factory kovar alloyGlass sealed and controlled expansion alloys*Kovar alloy,ASTM F15,Nilo-k,UNS K94610(FeNi29Co17),Chinese 4J29*Specifications:ASTM F15;DIN 17745;S.E.W.385;Werkstoff Nr.1.3981;AFOR NF A54-301Detailed Description Characteristics: 1.Kovar has a wide usage in the electronics ...