SIC Code 3398-01 - Heat Treating Metal (Manufacturing)

Marketing Level - SIC 6-Digit

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SIC Code 3398-01 Description (6-Digit)

Heat treating metal is a manufacturing process that involves altering the physical and chemical properties of metal to improve its strength, durability, and other characteristics. This process is used in a variety of industries, including aerospace, automotive, construction, and manufacturing. Heat treating metal can involve a range of techniques, including annealing, quenching, tempering, and case hardening. The specific technique used depends on the type of metal being treated and the desired outcome.

Hierarchy Navigation for SIC 6-Digit Code 3398-01

Parent Code (less specific)


  • Furnaces
  • Quench tanks
  • Tempering ovens
  • Induction heaters
  • Annealing ovens
  • Nitriding equipment
  • Carburizing equipment
  • Shot blasting machines
  • Hardness testers
  • Spectrometers
  • Microscopes
  • Thermocouples
  • Pyrometers
  • Protective gear (gloves, goggles, etc.)

Industry Examples of Heat Treating Metal (Manufacturing)

  • Aerospace components
  • Automotive parts
  • Construction materials
  • Industrial machinery
  • Medical devices
  • Oil and gas equipment
  • Power generation components
  • Tool and die components
  • Turbine blades
  • Welding consumables

SIC Code 3398-01 - Heat Treating Metal (Manufacturing)

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