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Master List of Welding Approvals

Industry Specific Welding

Lynn Welding provides NADCAP Approved GTAW Welding & NADCAP Brazing services.

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Lynn Welding provides NADCAP approved welding services for most aerospace primes. Lynn Welding has 16 NADCAP approved welders and 18 Nadcap approved resistance spot welding machines. We have an excellent reputation throughout the aerospace community, and we are known as the most responsive and transparent aerospace welding company. Lynn Welding has certified welding inspectors (CWI’s) on staff which is now becoming a requirement from various aerospace primes.

The comprehensive list below features all of our current approvals and certifications. Our impressive approval list features some of the most well-known aerospace and defense organizations. Our quality team works around the clock to ensure we are always adding new approvals to this list.  

Understanding NADCAP

A comprehensive guide by Lynn Welding 

 NADCAP Guide

Lynn Welding's master list of Approvals & certifications

Learn more about our scope of accreditation 

Resistance Welding


Company-specific resistance welding approvals 

 

Bell Helicopter

General Electric

Raytheon

Pratt & Whitney

Pratt & Whitney Canada

Sikorsky 

Leonardo

Collins Aerospace

Boeing

United Launch Alliance

Beechcraft

Rolls-Royce

General Dynamics 

Northrop Grumman

  • All resistance welding procedures are MIL-W-6858

Gulfstream 

Kaman Aerospace 

Fusion Welding 

Company-specific fusion welding approvals 

General Electric

Raytheon Technologies

Pratt & Whitney

Pratt & Whitney Canada

Sikorsky 

Leonardo 

  • All Fusion Welding Procedures are GTAW-MA (Gas Tungsten Arc Weld-Manual) AWS D17.1

Collins Aerospace

Boeing

United Launch Alliance

Beechcraft

Rolls-Royce

General Dynamics 

Northrop Grumman

Gulfstream 

Kaman Aerospace 

All Fusion Welding Procedures are AWS D17.1

Brazing

Company-specific fusion welding approvals 

General Electric

Raytheon Technologies

  • All torch brazing procedures are AWS c3.4

Pratt & Whitney

  • All torch brazing procedures are AMS 2665 and AMS 226

Sikorsky 

Collins Aerospace

Boeing

United Launch Alliance

Gulfstream


Quality Control & Material Testing

  • Certified quality control for all NADCAP accredited welding procedures, including; aerospace & aircraft welding, aluminum welding, and titanium welding. 

Company-specific fusion welding approvals 

Boeing

United Launch Alliance

Gulfstream 

fusion welding (2)

Tell us about your NADCAP-Approved welding project

To learn more about our NADCAP accreditation or to receive a quote please submit a request below. All requests for quotes will be fulfilled within 24 business hours!
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