NADCAP Approvals

Offering NADCAP approved welding services and currently holding 24 month merit status.

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.

Lynn Welding also has department managers for each welding service that we provide. You can contact our fusion, resistance and brazing managers anytime for immediate technical assistance or status of your order.

In 2018 Lynn Welding processed over 160,000 parts for our various customers with minimal quality and delivery issues. In the rare case that a delivery or quality issue should arise, our department managers are trained to notify the customer well before the actual due date so that an appropriate recovery plan can be implemented.

Lynn Welding is currently on Merritt status with NADCAP brazing. This means that our processes are very robust, and we have less than 2 minor findings during our typical 4-day audits. Merrit status allows us to extend our audit cycle which in turn reduces costs to Lynn Welding and our customers.

View our master list of approvals to view our extensive aerospace and defense certifications.

Lynn Welding Co Inc.
75 Rockwell Rd Newington, CT 06111

This certificate expiration is updated based on periodic audits. The current expiration date and scope of accreditation are listed at: www.eAuditNet.com - Online QML (Qualified Manufacturer Listing). In recognition of the successful completion of the PRI evaluation process, accreditation is granted to this facility to perform the following:

AC7000 - AUDIT CRITERIA FOR NADCAP ACCREDITATION

AC7110 Rev G - Nadcap Audit Criteria for Welding/ Torch and Induction Brazing and Additive Manufacturing (This is required for all Welding / Torch and Induction Brazing and Additive Manufacturing audits) (to be used on audits on/after 25-Apr-2021)

AC7110S - Nadcap Supplemental Audit Criteria for Welding, Torch and Induction Brazing, and Additive Manufacturing (to be used on audits on/after 25-Apr-2021)

U1 Honeywell

AC7110/4 Rev I - Nadcap Audit Criteria for Resistance Welding (Spot, Seam, Projection) (to be used on audits on/after 1 March 2020) Baseline (All audits)

Projection Welding – sheet (identify if process is used)

Seam Welding – sheet (identify if process is used)

Seam Welding –foil (identify if this process is used)

Spot Welding – foil (identify if this process is used)

Spot Welding – sheet (identify if process is used

Supplement A – Aluminum / Magnesium (Additional requirements)

Supplement B – Shear Testing (Additional requirements)

Supplement F – Metallographic Evaluation of Resistance Welds (Qualification and / or Process Control) (Additional requirements)

AC7110/4S Rev G - Nadcap Supplemental Audit Criteria for Resistance Welding (to be used on audits on/after 1 March 2020)

U10 GE Aviation

U11 The Boeing Company

U3 Rolls Royce

AC7110/5 Rev I - Nadcap Audit Criteria for Fusion Welding (to be used on audits on/after 6 Jan
2019) Baseline (All audits)

Supplement D – Titanium (Additional requirements) Supplement F – Filler Materials (Additional requirements)

Supplement G – Processes using Gas (For example GTAW, PAW) (Additional requirements)

Supplement H –Pre/Interpass Heat Treatment (Additional requirements)

Supplement J – Tack Welding (Additional requirements)

Supplement K – Metallographic Evaluation of Qualification Welds (Additional requirements)

AC7110/5S Rev F - Nadcap Supplemental Audit Criteria for Fusion Welding (to be used on audits before 01-Aug-2021)

U1 Honeywell

U10 GE Aviation

U11 The Boeing Company

U3 Rolls Royce

AC7110/12 Rev F - Nadcap Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) Baseline (All audits)

Supplement A – Metallographic Evaluation of Qualification Welds (Additional requirements)

AC7110/12S Rev H - Nadcap Supplemental Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) (to be used on audits on/after 4 September, 2016)

U1 Honeywell

U10 GE Aviation

U11 The Boeing Company
U3 Rolls Royce

Lynn Welding Co Inc.
39 Progress Rd Newington, CT 06111

AC7110S - Nadcap Supplemental Audit Criteria for Welding, Torch and Induction Brazing, and Additive Manufacturing (to be used on audits on/after 25-Apr-2021)

U1 Honeywell

AC7110/1 Rev H - Nadcap Audit Criteria for Brazing (Torch/Induction) (to be used on audits on/after 7 August 2016) Baseline (All audits)

Supplement A – Torch (Additional requirements)

Supplement G – Processes using gas (Additional requirements)

Supplement H – Processes using Flux (Additional requirements) AC7110/5 Rev I - Nadcap Audit Criteria for Fusion Welding (to be used on audits on/after 6 Jan
2019) Baseline (All audits)

Supplement D – Titanium (Additional requirements)

Supplement F – Filler Materials (Additional requirements)
Supplement G – Processes using Gas (For example GTAW, PAW) (Additional requirements)

Supplement H –Pre/Interpass Heat Treatment (Additional requirements)
Supplement J – Tack Welding (Additional requirements)

AC7110/5S Rev F - Nadcap Supplemental Audit Criteria for Fusion Welding (to be used on audits before 01-Aug-2021)

U1 Honeywell

U10 GE Aviation

U11 The Boeing Company

U3 Rolls Royce

AC7110/12 Rev F - Nadcap Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) Baseline (All audits)

U1 Honeywell

U10 GE Aviation
U11 The Boeing Company
U3 Rolls Royce

"I appreciate your attention to detail, and your ability to get our parts through quickly and efficiently. You’ve helped us out with multiple situations."

W.W Crestview Aerospace

Tell us about your next project

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

NADCAP Approvals

Offering NADCAP approved welding services and currently holding 24 month merit status.

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

View our master list of approvals to view our extensive aerospace and defense certifications.

UNDERSTANDING NADCAP

A comprehensive guide by Lynn Welding

"I appreciate your attention to detail, and your ability to get our parts through quickly and efficiently. You’ve helped us out with multiple situations."

Tell us about your next project