ISO 9001:2008

Commercial Heat Treatment of Industrial Gages

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Since its inception, Superior Heat Treat LLC has handled gages of all kinds. We heat treat fixture gages, automatic in-line gages, ring gages and air gages for both functional and variable applications. These parts require heat treatment with an emphasis on stability both during heat treatment and after heat treatment. The machining tolerances on these parts are often measured in the millionths and stability during machining and customer end use is paramount. Minimizing distortion during heat treat and use of stabilization techniques such as deep freeze or cryogenic processing are important aspects of gage heat treatment.

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Commercial Heat Treatment of Industrial Gages
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Project Specifications

Product Lines

  • Measurement Gages
  • Functional Gages
  • Variable Gages
  • Automated In-Line Gages
  • Go No-Go Gages


  • Carburize and Harden
  • Harden Only
  • Quench and Temper
  • Martempering
  • Straightening
  • Cryogenics


  • Carburizing Grades (8620 and 1020)
  • Alloy Steels
  • Tool Steels (O1, O6, S7, A2, D20)
  • Stainless Steels

Industries Served

  • Automotive
  • Aerospace
  • Farm Equipment
  • Heavy Machinery
  • Machine Tool
  • Military
  • Mining

Equipment List and Size Capabilities

  • 6 Internal Quench Ipsen Furnaces (Max Size at 36" x 36" x 48")
  • 10 Tempering Furnaces (Max Size at 48" x 48" x 48")
  • 1 Salt Bath (Max Size at 21" diameter x 30")

Industry Standards/Certifications

  • ISO 9001:2008 Registered
  • MIL-H-6875
  • AMS 2579

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