AISI D-2

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

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