super invar rod Super Invar is an iron-nickel-cobalt alloy available in plate,sheet,rod,bar,wire,tube,pipe,etc. super invar rodSuper Invar is an iron-nickel-cobalt ... Compositions: CMnSiNiCoFeMax. 0.020.350.20325.5Balanceavailable in plate,sheet,rod,bar,wire,tube,pipe,etc. super invar rod