... Alloy 4J29/4J44Glass sealed and controllled expansion alloys*kovar alloy,ASTM F15, Nilo-K,UNS ... . 3.The shape and dimensions of the alloys are in compliance with GB/T14985.Mechanical Property ... Alloy, such as Vasco Supreme-manufactured by Vanadium Alloys Company. M-3 Type 2, such as Van ... Cut Type 2-manufactured by Vanadium Alloys Company. Congo manufactured by Braeburn. For machining with ...