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Material type
Material name

Stainless steel 420 | 1.4028 | X30Cr13

Alternative names
X46Cr13, 1.4034
Process compatibility
CNC machining
David Nguyen, Mechanical Engineering Lead
This 420 Grade is martensitic stainless steel that provides good corrosion resistance, strength and hardness. Like any other stainless steel, grade 420 can also be hardened through heat treatment. It is magnetic in the annealed and hardened version. Excellent corrosion resistance properties are achieved when the metal is polished, surface grounded or hardened.
David Mechanical Engineering Lead at Protolabs Network