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  1. MrKopow

    Carbide

    I have new information. It would appear that the grade maybe WD-25 not ND-25.
  2. MrKopow

    Carbide

    I have a die insert print that shows a grade of carbide as ND-25. Does anyone have information on this grade? I have not been able to find it at any of my normal sites or through web searches. Thank you,
  3. MrKopow

    Sliding material suggestions?

    To give you some suggestions I would look to the "S" series tool steels. These will both give you shock resistance and allow you to have high surface hardness to prevent wear. Heat treating can be tricky but if you have a good source this is not a problem. Hope this helps. Thank you.
  4. MrKopow

    10B21 Steel Hardening

    In looking at your information, I have the following suggestions: 1) I would suggest that you order the material to a cold heading quality. This will specify cleanliness, surface defects and other important factors. You may find that for cold heading, you do not want a boron...

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