Aogami

Aogami steel is the also known as blue steel or blue paper steel. It is a high-carbon steel know for it's hardness and ability to stay sharp for a long time. There are different variants of the steel. Aogami 1 & 2 and Aogami Super are the most popular and chosen by the knifemaker based on cost considerations. Aogami can resist rust better than most high-carbon steels.