Nickel-iron alloy, INVAR, cold worked, hard INVAR Designation (cold worked, hard) INVAR Condition Hard UNS number K93600, K93601, K93603 US name ASTM Alloy T36 EN name FeNi36 EN number 1.3912 INVAR Tradenames (cold worked, hard) INVAR ArcelorMittal (FRANCE) INVAR 36 ArcelorMittal (FRANCE) NILO 36 Special Metals Corp. (USA) INVAR Typical uses (cold worked, hard) Absolute … Continue reading INVAR Material Data Sheet (cold worked, hard)