Capabilities and Services

Pacific Metallurgical, located in Kent, WA, strongly believes innovation to be a vital element in our efforts to remain an industry leader. We have continually invested in new thermal process equipment and technologies, thus ensuring the most accurate monitoring and processing of every stage in the heat treating cycle.



Hardness Testing

  • Rockwell Hardness Testing
  • Microhardness Testing- (Knoop HK500, HK200)

Captive Laboratory

  • Metallography
  • Case Depth Analysis
  • Surface Contamination- Decarburization, Carburization, Nitride

Our Thermal Processes Include

Gas Carburizing Gas Nitriding
Neutral Hardening Annealing
Stress Relieving Homogenizing
Solution Annealing Press Quenching
Steel Aging Tempering
Aluminum Aging Vacu-blasting
Precision Straightening Precipitation Hardening
Alkaline Cleaning


  • Endothermic
  • Argon
  • Nitrogen
  • Vacuum
  • Raw and Dissociated Ammonia

Alloys Processed

  • Stainless Steel
  • Alloy Steels
  • Aluminum Alloys
  • Titanium Alloys
  • Copper Alloys
  • Beryllium Copper
  • Nickel Alloys

Quenching Capabilities

  • Oil Quenching
  • Marquenching
  • Water Quenching
  • Glycol Quenching
  • Positive Pressure Inert Gas to 2-Bar
  • Controlled Ramp Cooldown Cycles