Precision Alloy Kovar /4J29

Short Description:

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. Specification ASTM UNS W.Nr F15 K94610 1.3981 Chemical composition Grade % Ni Cr Fe Co Cu C Mn Si P S Mo Kovar Min 28.5 Bal. 16.8 Max 29.5 0.2 17.8 0.20 0.03 0.50 0.30 0.02 0.02 0.20 Coeffici...

FOB Price: Ton/Ton 2000-5000USD

Min.Order Quantity: As Customer Required

Supply Ability: 2000Tons Per Month

Port: Shanghai Ningbo

Payment Terms: T/T L/C Westerrn Union