It is martensitic stainless steel with magnetic properties, corresponding to Japanese steel grade SUS420JI, to German grade X20Cr13/1.4021, and to American grade 420.
High hardness and good corrosion resistance in the quenched state.
wide application scope: knives, accessories, plastic molds, corrosion-resistant and mirror rust-proof molds, etc.
Focus on manufacturing special steel cast and forged
components for more than 25 years.