Recipe: Wheat flour 2%. Black pepper is for sharpness (spicy). One kitchen sponge in stainless steel. Powdered iron. Salicylic acid.
The process of manufacturing a blade welded from steel pot scrubberl and powder iron. Approximately 1.5% of carbon. Hardness after quenching — 62 units according to Rockwell. My article on the topic: sites.google.com/site/zapiskikuzneca/