Hardness 55-57 HRC. European origin.
The stainless steel used in OPINEL blades is a grade optimized to guarantee both high corrosion resistance and high mechanical performance. 
The blade offers excellent sharpness and high resistance to abrasion (wear) which allows it to withstand regular contact with hard materials, such as ceramics, before requiring re-sharpening. Stainless steel has the advantage of requiring no special maintenance under ordinary conditions of use, unlike carbon steel. Nevertheless, it can meet its limits when it is put in prolonged contact with an aggressive environment (acid, salt water, detergent ...).

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