When Quality Matters

Petersen Inc., a world leader in custom fabrication and precision machining, provides the highest level of quality assurance in our processes.

We Stand for Quality

Our high-quality assurance standards for every process allow us to maintain our long-term business relationships and high customer satisfaction throughout various industries. When customers require additional testing or measures, we develop a plan that meets any specifications.

NQA-1 • AS9100D • ISO 9001 : 2015


NDE Capabilities

We specialize in Non-Destructive Evaluation (NDE) capabilities, allowing our quality assurance engineers the ability to inspect products. Our NDE capabilities include:

  • Radiography
  • Magnetic particle
  • Liquid penetrant
  • Ultra-sonic
  • Hardness testing
  • Leak test
  • Hydrostatic testing
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Commercial Grade Dedication In-House Laboratory

Petersen Inc.’s in-house laboratory allows engineers to develop better quality assurance methods and production processes in a cost-effective and safe environment. We provide complete metal testing to ASTM, ASME, AWS and NQA-1 specifications and standards, including:

  • Commercial Grade Dedication (CGD) of material for Nuclear NQA-1 applications
  • Spectrographic chemical analysis of low alloy steels, stainless steels and nickel base alloys, including nitrogen and oxygen determination
  • 60,000-pound tension/compression testing
  • Rockwell hardness
  • Certified penetrant, magnetic particle and visual examination
  • Weld procedure testing
  • Weld wire certification, including welding of test coupons in accordance with filler material specifications
  • Charpy impact testing
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