1 2344 is a pressure resistant hot work die steel The steel is remelted by electroslag, uniform in material, good in hardenability, excellent in machinability and polishing performance, high toughness and plasticity, good high and low temperature wear re
ASTM A681 H13 is an AOD or AOD ESR melted hot work, chromium tool steel that has good resistance to softening at higher temperatures This grade also contains some alloying elements such as vanadium and molybdenum for improved strengthening