M4-PM is one of the most commonly utilized powdered metal tool steels.  It offers a very balanced combination of abrasion, wear, and toughness properties.  It is available in Plate, Block, and Round bar forms.  The optimal hardness range is 60-64 HRC.

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Please contact us for any of your tooling needs.

For more detailed information download the following tech bulletin PDFs:

LSI M4 Powdered Metal (2010)
LSI Powdered Metal PDF (2010)