AISI A-2

Product Forms Overview
  • Drill Rod
  • 36"
  • Flat Ground
  • Standard 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 1.20
Si 0.35
Cr 0.35
W 0.50
Tempering Curve Graph
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