AISI D-2

    Product Forms Overview
    • Drill Rod
    • 36"
    • Flat Ground
    • Standard 18" 36"
      Oversize 18" 36"

    Technical Data

    Precision Flat Ground Stock: Standard Tolerances
    • Thickness +/- 0.001"
      Width + 0.000/0.005"
      Length + 0.250/0.500"
      Squareness 0.003" per inch
    Precision Flat Ground Stock: Oversize Tolerances
    • Thickness + 0.010/0.015"
      Width + 0.010/0.015"
      Length + 0.250/0.500"
      Squareness 0.003" per inch
    Drill Rod Tolerances
    • Diameter .124 and smaller +/-.0003
      Diameter .125 to .499 +/-.0005
      Diameter .5 to 2.0” +/-.001
      All Lengths +.125/-.000

    Material

    AISI D-2
    ​​​​​

    A high-carbon, high-chromium tool steel recommended for tools requiring very high wear resistance combined with moderate toughness.


    HARDENING:


    Preheating Temperature: 1110-1290 ° F (650-750 ° C)


    Austenitizing Temperature: 1810-1920 ° F (990-1050 ° C)


    Protect the part against decarburization and oxidation during hardening. Choose the tempering temperature from the tempering graph. Temper twice with intermediate cooling to room temperature. Lowest temperature 360 ° F (180 ° C). Holding time at temperature minimum 2 hours. High temperature tempers are preferred when dimensional stability is of concern, if tools are to be coated, and/or EDM’d in hardened condition.


    Available in 18” and 36” lengths.


    Typical Chemistry
    C 1.50
    Mn 0.40
    Si 0.30
    Cr 12.00
    Mo 0.80
    V 0.90
    Tempering Curve Graph
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