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*Type Ferrite

❏ Characteristics

420J1: High hardness after tempering and very good abrasion resistance (magnetic) 420J2: compared with 420J1 steel has higher hardness after tempering (magnetic)

❏ Chemical compositions and physical properties


❏ Applications

Types of products that require corrosion and rust protection, such as high-class food cutters, etc.   Products that require anti-corrosion properties, such as machinery parts, etc.