420ESR

420ESR

LSI’s 420ESR is a through hardenable stainless steel mold material that offers excellent polishability and corrosion resistance in combination good wear resistance, stability, and machinability. Our 420ESR material is readily available in Plate, Block, and Round Bar forms and has become the material of choice for high production molds. The optimal hardness range is 45-52 HRC.

420ESR_2

LSI-420