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    AISI O-1

    Product Forms Overview
    • Drill Rod
    • 144" 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 0.124" and smaller +/- 0.0003"
      Diameter .125 to .499 +/-.0005
      Diameter .5 to 2.0” +/-.001
      All Lengths +.125/-.000

    Material

    AISI O-1
    ​​​​​

    A general-purpose oil-hardening tool steel that is versatile and suitable for a wide variety of cold work applications.


    HARDENING:


    Preheating Temperature: 1110-1290 ° F (600-700 ° C)


    Austenitizing Temperature: 1450-1560 ° F (790-850 ° C)


    Protect the part against decarburization and oxidation during hardening. Quench as quickly as possible. Cooling must be uniform and at a rate to avoid distortion and/or quench cracking. Choose the 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.


    Available in 18” and 36” lengths.


    Typical Chemistry
    C 1.00
    Mn 1.20
    Si 0.35
    Cr 0.35
    W 0.50
    Tempering Curve Graph
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