Nickel-iron alloy, INVAR, soft (annealed) INVAR Designation, soft (annealed) INVAR Condition Soft (annealed) UNS number K93600, K93601, K93603 US name ASTM Alloy T36 EN name FeNi36 EN number 1.3912 INVAR Tradenames, soft (annealed) INVAR ArcelorMittal (FRANCE) INVAR 36 ArcelorMittal (FRANCE) NILO 36 Special Metals Corp. (USA) Typical uses, soft (annealed) Absolute standards of length measurement … Continue reading INVAR Material Data Sheet, Soft (Annealed)