Invar36 ASTM F1684 specification:Plate,sheet,strip,rod,bar,wire. Our company is specialized in Invar. Note:Our company is specializes in Invar alloy, also known as the expansion of low-alloy 4J36, Invar,Invar 36, Nilo 36, FeNi36,Vacodil 36,K96300 and so on. The implementation of standards: YB / T 5241-93 Invar 36 ASTM F-1684 specification: Plate, sheet, strip, rod, bar, wire. Invar 361.Chemical ...