AISI A-2

    Product Forms Overview
    • Drill Rod
    • 36" 144"
    • Flat Ground
    • Standard 18" 36"
      Oversize 18" 36"

    Technical Data

    Precision Flat Ground Stock: Standard Tolerance
    • Thickness +/- 0.001"
      Width + 0.000/0.005"
      Length + 0.250/0.500"
      Squareness 0.003" per inch
    Precision Flat Ground Stock: Oversize Tolerance
    • 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 A-2
    ​​​​​

    An air or oil hardening tool steel offering an excellent combination of wear resistance and toughness.


    HARDENING:


    Preheating Temperature: 1200-1300 ° F (650-750 ° C)


    Austenitizing Temperature: 1690-1780 ° F (925-970 ° C)


    Hold for 30 minutes once the entire tool reaches temperature. 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 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.


    Available in 18” and 36” lengths.


    Typical Chemistry
    C 1.00
    Mn 0.70
    Si 0.35
    Cr 5.10
    Mo 1.15
    V 0.35
    Tempering Curve Graph
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