Quality Certifications

Industry accreditations

Superior Tube maintains an AS9100 compliant Quality System, regularly audited and certified by Det Norske Veritas (DNV), a third party accreditation body.
View our AS9100 certification 

Our Non-Destructive Testing program is NADCAP compliant and certified through regular audits by PRI.
View our NADCAP NDT certification

Our Heat Treatment program is NADCAP compliant and certified through regular audits by PRI.
View our NADCAP Heat Treating certification

Our Welding program is NADCAP compliant and certified through regular audits by PRI.
View our NADCAP Welding certification

Industry approvals 

To support our efforts in the commercial nuclear industry, our Quality System is based on the applicable requirements of ASME Pressure Vessel Code NCA 3800, 10CFR50 – Appendix B, and ASME NQA-1.  Our QMS is regularly audited individually by our commercial nuclear customers, and the results of these audits shared within the NIAC community. 

Calibration of Measuring Equipment is per ANSI Z-540 and ISO 10012.

Customer approvals include 
  • Boeing (commercial and military) 
  • Gulfstream 
  • Bombardier / Canadair 
  • Embraer 
  • Lockheed Martin 
  • Pratt & Whitney 
  • GE Aviation

We also have a large number of customer specific approvals covering all industries. Reference lists and individual client approvals are available on request.